Quiz- Facial and Exterior Muscles, Slow/Fast Twitch and more Flashcards
1
Q
To bend the arm at the elbow, the bicep muscle ______ and the triceps muscle ________.
A
contracts; the relaxes pg.47
2
Q
What is one thing skeletal muscle can do?
A
Only Contract pg.45
3
Q
When muscles receive messages from the nervous system, they
A
Contract and shorten pg.47
