they both have layers and cells
No, skin and hair are not part of the muscular system. The muscular system is made up of muscles that allow for movement, while skin and hair are part of the integumentary system that provides protection and sensation.
the muscular system
yes, without it we wouldn't be able even to move!
The immune system.
The same way any muscle works - electrical impulses from the brain stimulate the muscle to move.
No, your muscular system includes organs like the heart, lungs, and even your brain. Without these vital organs your life would not be as complex as it is now. You would be a pile of bones and skin.
muscular and skeletal
The Muscular-Skeletal System.
Fibromyalgia.
The integumentary system covers and protects the muscular system. If we didn't have this protection, the muscles would be damaged be the external environment to the point of not being able to function properly. The muscular system works to move the skin to help with certain functions, such as the elevation of body hair when you're cold.
The nervous system.
the muscular and cardiovascular system.