Question 9 out of 3 points (7 . Match the descriptions with the correct types of

Question

Question 9 out of 3 points (7 . Match the descriptions with the correct types of motor units. Question Selected Match C. Type FF B. Type FR A. Type S A. Type S Recruited last Contains Fast Muscle Fibers that use Aerobic respiration Contains muscle fibers used for routine movements Contains muscle fibers with the lowest myoglobin content Contains muscle fibers with the slowest contraction speed A. Type S A. Type S Have slow and relatively weak contractions All Answer Choices A. Type S B. Type FR C. Type FF

Explanation / Answer

A) Type S

B)Type FR

C) Type FF-

2) Ach binds to nicotinic receptor in the motor end plate-->

DHP receptor change confirmation -->

Na+ increases -->

Action potential propagates along the membranous T tubules -->

Calcium concentration in cytoplasm increases.

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