Vitamin D helps strengthens bones which would prevent osteoporosis
All the blood that passes through the aorta does not
Answer: Second one: one person refuses when the other asks to have sex.
Explanation: Abstinence is the act of knowingly not doing something for a purpose. The person refusing is trying to practice abstinence.
Maximum oxygen uptake is what the Cooper test measures
The answer is c. he could develop fatigue or depression
