They keep you alive
It keeps you in shape
It can help you be strong and not do addictive things
Explanation:
A body cavity is any space or compartment, or potential space, in an animal body. Cavities accommodate organs and other structures; cavities as potential spaces contain fluid. The two largest human body cavities are the ventral body cavity, and the dorsal body cavity.
hope this helps you.
Do not smoke!!
Smoking can initiate an attack
Sinoatrial node
This answer is correct I promise.
