Answer:skeletal
Explanation:
your bones are the reason you move, gives structure to everything
So that they don't over work themself as they get healthier
This system helps the respiratory system by protecting the lungs. The circulatory system is very useful. This system transports the food nutrients, and oxygen to the body cells. It also delivers of carbon dioxide and waste products.
It depends on who you get but, in general no. They could rip you off or worse.
The answer is D, all of the above. Family roles fluctuate depending largely on societal norms and the personal preferences of the family.