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Muscle Physiology
| Question | Answer |
|---|---|
| muscles function to | Generate force, motion, restrain movement, surround the visceral organs, blood vessels, respiratory channels, and glands and influence their activities. form sphincters that control passage out of tubular structures. produce heat for thermoregulation |
| skeletal muscle | attached to bones, body movement – striated, voluntary – controlled by somatic motor neurons |
| cardiac muscle | musculature of the heart – striated , involuntary – controlled by intrinsic system, autonomic NS, and endocrine |
| smooth muscle | musculature of internal organs – smooth, involuntary – controlled by autonomic NS and hormones |
| Skeletal muscles make up about ______ of body mass. | 40% |
| Muscles attach to bones by ________, and they have an origin and an insertion. | collagenous tendons |
| Within muscles there are | bundles of muscle fibers (muscle cells), connective tissue, blood vessels, and nerves. |
| The entire muscle is wrapped in connective tissue sheath that is | continuous with the fascia and tendons. |
Created by:
kelseyreal
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