Question

“ Muscles always work in a pair.” Justify using suitable example.

Answer 1

Answer:

Muscles work in pairs to move a bone.

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.

Answer 2

Answer:

muscles work in a pair to move a bone.

Explanation:

muscles work in a pair to move a bone.

skeleton muscles only pull in one direction. for this reason they always come in a pairs. when one muscles in a pair contracts to bend a joint for example - : It's counterparts then contract and pull in the opposite direction to straighten the joint out again.