Why do skeletal muscles work in pairs?

A. One tightens and the other relaxes to make the bones move.

B. Multiple muscles have to tighten to make joints move.

C. They cancel each other out.

D. Bones are resistant to movement.

Question

Johnathon Hunter

History

25 March, 02:26

Why do skeletal muscles work in pairs?

A. One tightens and the other relaxes to make the bones move.

B. Multiple muscles have to tighten to make joints move.

C. They cancel each other out.

D. Bones are resistant to movement.

+4

Answers (2)

Know the Answer?

Reuben Patrick · Answer 1

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.

Silas Payne · Answer 2

Silas Payne 25 March, 02:39

0

A. i’m not sure on it tho

Why do skeletal muscles work in pairs?A. One tightens and the other relaxes to make the bones move.B. Multiple muscles have to tighten to make joints move.C. They cancel each other out.D. Bones are resistant to movement.

Why do skeletal muscles work in pairs?

A. One tightens and the other relaxes to make the bones move.

B. Multiple muscles have to tighten to make joints move.

C. They cancel each other out.

D. Bones are resistant to movement.