when you exercise your bones will be getting more pressure in such a way they will absorb more calcium in them and they become strong. When you do heavy exercising you will observe the increase in the bone size, but when skull of the body is considered it will be normally made with more hard layer with additional calcium and remains strong normally .. so that our brain is protected more from risks..
Cardiovascular
Circulatory system
yes
I believe the bodies transportion system is the cardiovascular system :)
Respiratory
immune system
nervous system
Glands that excrete hormones.
the integumentary system is the skin and the bodys first line of defense.
Internally it is the Nervous System. Externally it is the Sensory system (touch, sight, smell, taste, hearing) and the voice.
stimultesthe bodys nervous system to make you more alert
the body system dies and you will eventually die too