Answer: To pump blood and keep the body alive
Explanation: The heart is part of the "Circulatory System", whose job is to transport blood with its oxygen to the rest of the body, and to maintain homeostasis. Hope this helps!
Nicotine. Lol that’s the only one I know sorry
Reduced stress about getting STD's
Yes it is. This is because during the warmup you are quite literally "warming up" your muscles and ligaments through stretching. Also, many like to incorporate some light cardio into their warmup. Without a warmup you are more prone to injury and will not have a good performance during the main section of your workout, especially if you are lifting.
C. <span>Therapeutics, Support Services, and Diagnostics</span>