Question

Q If two muscles work together, do they both contract and relaxes at the same time. For example: when the biceps contract, the triceps also contract, or when the biceps relaxes, the triceps relaxes too. (TRUE/
FALSE)

give correct answer of this question please fast​

Answer 1

Answer:

False

because:-

Explanation:

When your biceps muscle in your upper arm contracts, it pulls your lower arm in towards your shoulder. However, when it relaxes, your biceps cannot push your arm back out. To do this, your triceps muscle, on the underside of your upper arm, contracts and straightens your arm out.