True with out sleep you would not be able to re gain energy you need to stay awake and alert
genes are somewhat related to proteins because genes produce other and different molecules that then assembles the proteins.
During exercise, many chemical changes occur in the body, including a drop in blood ph, which can be very serious. how is the body able to cope with such changes?
The body is able to cope with such changes because the body's metabolism becomes more active, causing the body to require more oxygen (which leads you to breath faster and deeper)
Answer: 2, They measure how rich in nutrients a food is.
Explanation: Just by process of emimination, I know that "heat a food can supply" has nothing to do with calories.
