I think it’s b because it helps the blood cells enable more oxygen and takes it to the muscles
Hope that help
When you exercise, your body produces something called endorphins (it's sort of like morphine), and it makes your body feel less pain and make you feel more happy. In this case, the endorphins combat your stress and make you feel better mentally.
Answer:
C. A tightly sealed house with an unvented water heater.
Explanation:
Women But they can’t be on drugs or achool
