B. Hormones control the bodies function such as metabolism, sexual development and growth.
The answer is going to be C because hes getting advice from an expert.
Answer:
Muscles work in pairs to move a bone.
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.
