It tell us the minimum heart rate for cardiovascular exercises
It shows us the heart rate that we need to achieve in order for our body to increase its metabolism above normal state, which resulted in increased calories burning.
Body odor would cause bacteria to sit on areas of the skin
Answer: Red blood cells carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.
Explanation:
The answer would be C, 22%
