Which statement is true about blood alcohol concentration

Hello. This question is incomplete. The full question is:

"Which statement is true about blood alcohol concentration

A.Blood alcohol concentration is affected by factors such as body size and gender.  B.Drinking coffee and exercising will lower your blood alcohol concentration.  C.The higher the blood alcohol concentration, the more severe the hangover will be. "

A.Blood alcohol concentration is affected by factors such as body size and gender.

Explanation:

Alcohol is a substance that interferes with the functioning of the central nervous system and can cause varied and sometimes unpredictable effects on various organs of the body. These effects will have greater or lesser intensity depending on the concentration of alcohol in the blood, the greater the concentration of alcohol, the greater the effects of alcohol. The concentration of alcohol in the blood depends not only on the amount of alcohol consumed, but also depends on factors such as body size and sex.

b) the heart is a pump made of muscle and that is difficult to grow in the lab.