With age, the collagen-containing connective tissue coverings of skeletal muscle

Question

With age, the collagen-containing connective tissue coverings of skeletal muscles increase and the number of muscle fibers decreases. Is meat from an older or a younger animal more tender? Explain. Weight training increases muscle fiber size by increasing the number of myofibeils. Explain. The diaphragm is a muscle that controls inspiration. Is control of the diaphragm voluntary, involuntary, or both? Explain. Using your textbook or another reference, for each condition below indicate which part of the neuromuscular junction is affected: the motor end plate or the axon terminal. _________ 4. Myasthenia gravis _______________ 5. Curare poisoning __________ 6.B toxin poisoning Put a check mark next to the voluntary or involuntary. _____________ 7. Arrector pot __________ 8.Tongue ______________ 9. Muscle in gallbladder ________________ 10. Muscles that control movement of the eyeball

Explanation / Answer

1. Meat from the younger animal will tender more. They have more collagen in their connective tissues making it more tougher. Such meat cannot be cut easily.

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