It's bc use some countries overuse the opportunity for fast food and junk food
Answer:
Oxygenated blood is pumped from the left ventricle into the aorta and supply cells of all organs with oxygen and nutrients.
Answer= B
Explanation:
It could be to avoid injuries. One reason why there are several rules in
exercising is to ensure that a person will not get injured during a
workout. Injuries can occur when one is
either handling too much weight, doing the exercise wrong, not using proper
equipment or does not have a partner or trainer assisting him.
Answer:
30 and 40
Explanation:
I'm just guessing but think about having one of those and checking for that
