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| The ____ mover is the muscle responsible for most of the movement. |
prime |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| the immovable end of the muscle is called its orgin and the movable one is its _____. |
insertion |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| a motor neuron and its associated muscle fibers |
motor unit |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| pheonomenon in which a muscle fiber completely cotnracts when it is exposed to a stimulus of theshold strengths |
all or none response |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| Waht % of energy from cellulare respiration is released as heat? |
75 |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| Explain what an oxygen debt is? |
amount of oxygen tha tmust be supplied following physical exercise to convert the accumulated lactic acid to glucose |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| What is hemoglobin and myoglobin |
hemoglobin is the pigment of red blood cells, myoglobin is a pigmented compound found in muscle tisse that acts to store O2. |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| What is the substance that supplies energy during muscle fiber contraction. |
creatine phosphate |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| chemical substance secreted by the terminal end of an axon that stimulates a muscle fiber contraction or an impulse in another neuron. |
neurotransmitter |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| structural and functional unit of myofibril; between Z lines |
sarcomere |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| protein in muscle fiber that together with myosin is responsible for contraction adn relaxation, thin |
actin |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| a protein that together with actin, is responsible for muscular contraction and reaction; thick and dark |
myosin |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| one of the contactile fibers found within muscle cells |
myofibrils |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| A sheet of fibrous connective tissue that separates muscles |
fascia |
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scooter_arablvr Tue, 14 Oct 2008 16:58:42 GMT |
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| What are the functions of the muscular system? |
stores heat, movement, posture, joint stability, heat production |
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scooter_arablvr Tue, 14 Oct 2008 16:51:35 GMT |
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| What are the 3 types of muscles in the body? |
smooth, cardiac, skeletal |
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scooter_arablvr Tue, 14 Oct 2008 16:51:35 GMT |
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| List the functions of the skeletal system. |
shape, support, body movement, protects organs |
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scooter_arablvr Tue, 14 Oct 2008 16:51:35 GMT |
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| Describe red and yellow bone marrow? |
red marrow functions int eh formation of red and white blood cells and platelets. Red
Yellow bone marrow functions as fat sotrage and inactive blood cell production. |
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scooter_arablvr Tue, 14 Oct 2008 16:51:35 GMT |
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| tiny channel in bone tissue that contains a blood vessel |
osteonic canal |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Bone that begins a hyaline cartilage that is subsequently replaced by bone tissue. |
endochondral bones |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| bone that develops from layers of membranous connective tissue. This type of bone is used to on the skull |
intramembranous bones |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| connective tissue that occupies the spaces within bones. |
marrow |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| a cavity within the diaphysis of a long bone occupied by marrow. |
medullary cavity |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| thin layer of cells that lines the medullary cavity of a bone. |
endosteum |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| the covering of fibrous connective tissue on the surface of a bone. |
periosteum |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| the shaft of a long bone |
diaphysis |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| The end of a long bone |
epiphysis |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Bone that consist of bars and plates separated by irregular spaces; cancellous bone. |
spongy bone |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Bone tissue that is densely packed, cortical bone |
compact bone |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| What are the two types of sweat glands? |
apocrine - emotional, stress, and puberty
eccrine - maintain body temp |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Where are the basale and corneum layers of the epidermis found? |
basal-reproductive layer of epidermis, basement of membrame.
corneum - outermost layer of epidermis |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| How can body heat be lost? |
nerve impulses, cell dialate and expand. |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| How is hair color determined? |
melanin |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Why do some people have darker skin? |
melanin |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| What are the functions of the skin? |
protective covering, regulates body tem, retards water lost from deeper tissues, houses sensory receptors, synthesizes chemicals and excretes small quantities of water substances. |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Where is smooth muscle found? |
makes up organs |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Where is cardiac muscle found? |
heart |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Which muscle tissue can be consciously controlled? |
skeletal |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Why are cartilage tissues slow in healing following an injury? |
low blood supply |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Fights infection |
white blood cells |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Carry oxygen to all cells |
red blood cells |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| Fragment formed in bone marrow, which functions in blood coagulation |
platelets |
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scooter_arablvr Tue, 14 Oct 2008 16:51:34 GMT |
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| This cell type is a large phagocytic cell. |
macrophages |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This cell type is a cell that functions to produce fibers and other intercellular materials in connective tissues. It is star shaped. |
fibroblasts |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This cell type is a cell to which antibodies are formed in response to allergens and become attached. |
mast cells |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This tissue protects, secretes mucous, absorbs, and covers all body surfaces. |
epithelial tissue - simple squamous, cuboidal, etc... |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This tissue has the ability to contract. |
muscle tissue - cardiac, smooth, and skeletal |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This tissue makes up tendons and ligaments. |
connective tissue |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This tissue binds structures together, provides support and framework, stores fat, produces blood cells, and fights infection. |
Connective tissue - fibrous and loose |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| This tissue is found in the brain, spinal cord, and nerves. Cells respond by transmitting impulses, and cells are sensitive to changes in their surroundings. |
Nervous tissue |
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scooter_arablvr Tue, 14 Oct 2008 16:15:26 GMT |
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| Nuclear material that gives rise to chromosomes during mitosis. |
chromatin |
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scooter_arablvr Tue, 14 Oct 2008 14:30:34 GMT |
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| Longer than cilia, usually single flagellum on a cell; sperm helps in movement. |
flagella |
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scooter_arablvr Tue, 14 Oct 2008 14:30:34 GMT |
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| Microscopic, hairlike processes on the exposed surfaces of certain epithelial cells. |
cilia |
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scooter_arablvr Tue, 14 Oct 2008 14:30:33 GMT |
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| Membranous sac within the cytoplasm that forms by an infolding o the cell membrane. |
vesicles |
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scooter_arablvr Tue, 14 Oct 2008 14:28:42 GMT |
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| The contents of a cell surrounding tis nucleus. |
Cytoplasm |
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scooter_arablvr Tue, 14 Oct 2008 14:28:42 GMT |
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| Cytoplasmic organelle composed of a system of interconnected membranous tubules and vesicles. |
endoplasmic reticulum |
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scooter_arablvr Tue, 14 Oct 2008 14:28:42 GMT |
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| A minute, hollow rod found in the cytoplasm of cells |
Microtubule |
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scooter_arablvr Tue, 14 Oct 2008 14:28:42 GMT |
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| Plural form of nucleolus. Inside the nucleus and synthesizes ribosomes. |
nucleoli |
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scooter_arablvr Tue, 14 Oct 2008 14:26:32 GMT |
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| Cellular organelle enclosed by a double layered, porous membrane and contains DNA, composed of protons and neutrons. |
Nucleus |
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scooter_arablvr Tue, 14 Oct 2008 14:26:32 GMT |
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| Cytoplasmic organelle that functions in the synthesis of proteins. |
ribosomes |
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scooter_arablvr Tue, 14 Oct 2008 14:26:32 GMT |
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| Cellular organelle that functions in the organization of the spindle during mitosis. |
centrioles |
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scooter_arablvr Tue, 14 Oct 2008 14:26:32 GMT |
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| Thin envelope that forms the outermost limit of a cell, plasma membrane or cytoplasmic membrane |
cell membrane |
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scooter_arablvr Mon, 13 Oct 2008 02:44:52 GMT |
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| Cytoplasmic organelle that contains digestive enzymes. |
lysosomes |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Cytoplasmic organelle that functions in preparing cellular products for secretion. |
golgi apparatus |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Cytoplasmic organelle that contains enzymes responsible for aerobic respiration. |
mitochondria |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Name the 4 phases of cell division and describe what is happening in each. |
mitosis= prophase-chromosomes become visible -> metaphase-chromosomes line up about midway between centrioles -> anaphase-duplicate chromosomes move to opposite poles of cell -> telophase-newly formed cells become separate structures. |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Define compound? |
a substance composed of two or more element sjoined by chemical bonds. |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| What are the reactants and products? |
the reactants make up the products |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Describe the number of electrons that can fit on the first 3 energy levels? |
first level-2, second level-8, third level-18 |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| What are the subatomic particles that have no electrical charge? |
neutrons |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Describe the properties of a base as compared to an acid. |
Bases are bitter, hydroxide, 7.1 to 14, negative charge, slippery, blue; Acids are sour, hydronium, pH 0 to 6.9, positive charge, red , and corode metal |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| What is an ionic bond? |
formed from atoms with opposite electrical charges bonding together. |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| What 2 particles are found in the nucleus of an atom? |
protons and neutrons |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| The smallest complete unit of an element is an ______. |
atom |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| About how many elements are needed by living things? |
about 20 elements |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Atoms that tend to gain electrons from other atoms are ______. |
ions |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| The 4 elements that make up about 96% of body matter are: |
nitrogen, oxygen, carbon, hydrogen |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| What are isotopes? |
an atom that has the same number of protons as other atoms of an element ut as a different number of neutrons in its nucleus. |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| ______ is the gas delivered by the cardivascular system to all cells of the body. |
oxygen |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| ______ are used as building blocks |
protein |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| _____ are the major fuel for the cell. |
carbohydrates |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Define organic and inorganic molecules. |
organic molecules contain some form of carbon. inorganic does not |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| A solution which has a pH of 10 could best be described as being a _____. |
base |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Place the following terms in correct sequence from the simplest to the most complex. |
atom, molecule, cells tissues, organ |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Define homesteostasis. |
the state at which the body is under no stress; state of regularity |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| The single most abundant chemical substance of the body, which accoutns for 60 to 80% of body weight is _____. |
water |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Write the chemical formula for cellular respiration. |
C6 H12 O6 + 6CO2 + 6H2O + 38ATP |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Why is water beneficial in the human body? |
the body is made of mostly water, regulates body temp, and is required for metabolic processes |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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| Who was the father of anatomy? |
Andreas Vesalius |
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scooter_arablvr Mon, 13 Oct 2008 02:44:51 GMT |
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