MUSCLES ALWAYS WORKS IN PAIRS IF ONE MUSCLE CONTRACTS,THE OPPOSITE RELAXES A. TRUE B.FALSE C.MAYBE D. NOT SURE
Share
MUSCLES ALWAYS WORKS IN PAIRS IF ONE MUSCLE CONTRACTS,THE OPPOSITE RELAXES A. TRUE B.FALSE C.MAYBE D. NOT SURE
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
true
Explanation:
There are antagonistic muscle groups with flexor and extensor pairs. One contracts and shortens (flexor) and the other relaxes and lengthens (extensor). e.g. to move your arm towards your shoulder