I don't think so but I'm not positive. I know my dad had exposure to secondhand smoke and he's fine. :) Hope this helps!
Answer:
because they can do some things and harm you
Explanation:
Answer:
Take good care of yourself, brush your teeth, and go to the doctor when you need to.
Explanation:
It controls all parts of the body. It receives and interprets messages from all parts of the body and sends out instructions. The three main components of the central nervous system are the brain, spinal cord and neurons.
