Question

what do muscles do? select all that apply. they produce insulin, a hormone that helps regulate the bodys glucose level. they receive signals from the brain to either contract or relax. they filter blood coming from the digestive system. they work in groups to move the bodys bones. they produce the power to move the body.

Explanation:

Insulin is produced by the pancreas, not muscles. Muscles receive neural signals from the brain for contraction/relaxation, work in groups to move bones and produce power for body - movement. Filtering blood from the digestive system is mainly a function of the liver.

Answer:

B. They receive signals from the brain to either contract or relax.
D. They work in groups to move the body's bones.
E. They produce the power to move the body.