AP BIOLOGY

ANIMAL PHYSIOLOGY

MUSCLE ANIMAL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When a muscle contracts the ____
A
Other one contracts
B
Other one relaxes
C
Other one pops
D
Other one pulls
Explanation: 

Detailed explanation-1: -Antagonist and agonist muscles often occur in pairs. As one muscle contracts, the other relaxes. An example of an antagonistic pair is the bicep curl where biceps contract and triceps relax.

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