Quiz - Facial and Exterior Muscles, Slow/Fast Twitch and more ( 4 Corrections ) Flashcards
(2 cards)
1
Q
When muscles receive messages from the nervous system, they *
A
contract and shorten pg 47
2
Q
To bend the arm at the elbow, the bicep muscle ______ and the triceps muscle ________. *
A
contract and shorten pg 47
