Beth Anderson's Extra Credit due on Nov. 27, 2009 on muscles
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141843 on November 23, 2009
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Beth Andersons Extra Credit due on November 27, 2009 on muscles
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Beth Anderson's Extra Credit due on Nov. 27, 2009 on muscles
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50 terms
Terms | Definitions |
|---|---|
 testosterone, human growth hormone | what stimulates hypertrophy |
| myofibrils | thread-like structures which have a contractile function |
| filaments | function in the contractile process |
| muscle contraction | release of Ca++ from Sarcoplasmic Reticulum trigers what? |
| binds oxygen molecules | function of myoglobin |
| skeletal muscle fiber | each branch of the axon from the somatic motor neuron extends to a different what? |
| peri | around |
| skeletal, cardiac, smooth | list the 3 types of muscle tissue |
| bones | what do most skeletal muscles move? |
| skeletal, cardiac | what type of muscular tissue is striated |
| alternating light and dark, skeletal | what type of bands are seen in what muscle examined under a microscope |
| skeletal | what muscle tissue is voluntary |
| diaphragm | example of subconsciously controlled skeletal muscle |
| cardiac muscle | muscle found only in the walls of the heart |
| cardiac, smooth | what muscle is controlled involuntarily? |
| pacemaker | what is the contraction and relaxation of the heart initiated by, is a node of tissue |
| smooth muscle | what muscle is located in the walls of hollow internal structures |
| bv's, airways, many organs | where is smooth muscle found? |
| producing body movements, stabilizing body positions, moving substances within body, generating heat | what are the functions of muscular tissue |
| walking, running | examples of the function "producing body movements" |
| posture | examples of the function "stabilizing body positions" |
| heart muscle pumping blood, moving substances in digestive tract | examples of the function "moving substances within the body" |
| contracting muscles produce heat, shivering increases heat production | examples of the function "generating heat" |
| epi | upon, on, or above |
| my, myo | muscle |
| bi | two |
| tachy | rapid |
| brady | slow |
| excitability, contractility, extensibility, elasticity | list the properties of muscular tissue |
| excitability | ability to respond to stimuli |
| contractility | ability to contract forcefully when stimulated |
| extensibility | ability to stretch without being damaged |
| elasticity | ability to return to an original length |
| fascia | dense sheet or broad band of irregular CT that surrounds muscles |
| epimysium | the outermost layer |
| perimysium | surrounds numerous bundles of fascicles |
| endomysium | separates individual muscle fibers from one another |
| tendon | cord that attaches a muscle to a bone |
| aponeurosis | broad, flattened tendon (attach the muscle to the structures that they move) |
| somatic motor neuron | neuron that stimulates skeletal muscle to contract |
| axon | the what of a somatic motor neuron typically branches many times |
| blood capillaries | each muscle fiber is in close contact with one or more of what? |
| number | the what of skeletal muscle fibers is set before you are born, and last a lifetime |
| hypertrophy | muscle growth |
| satellite cells | what retains the capacity to regenerate damaged muscle fibers |
| sarcolemma | the plasma membrane of a muscle cell |
| transverse tubule | what tunnels into the plasma membrane |
| sarcoplasm | the cytoplasm of a muscle fiber |
| synthesis of ATP | function of glycogen in sarcoplasm |
| ATP production | myoglobin releases oxygen needed for what? |
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