why do skeletal muscles always have to work in pairs?
Answers
Answered by
0
Explanation:
Skeletal muscles only pull in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.
Answered by
0
Answer:
Skeletal muscle pull only in one direction
Similar questions