I Believe It Can Be D ...
Answer:
C
Explanation:
When your heart rate speeds up, you usually get hotter and start sweating, when you are exercising. This might take hours for you to realize because it happens so slowly. Fluid flows and your bloodstream goes a lot smoother, which can help lower the chances of blood clots. This is all because of a warm-up.
Body mass index is the most commonly used simple measure of obesity.
