Question

Q5. When an arm is stretched
(straightened)......
O
a. the biceps contract and triceps
relax.
o
b. the biceps relax and triceps
contract.
O
c. both biceps and triceps contract.
O d. both biceps and triceps relax.​

Answer 1

Answer:

b. the biceps relax and triceps

contract.

Explanation:

Answer 2

Answer:

b.the biceps relax and triceps contract