1. Give an example of negative feedback system in the body and
how it works.
2.What name is given to all chemical reactions that occur within
body cells?
3. Why is it necessary to be in a pressured cabin when flying at
30,000 feet ?
4.What process allows us to adjust to either extreme heat or
cold?
5. When we begin to get dehydrated , we usually get thirsty,
which causes us to drink? Is this a negative or positive...