I think that the answer is supercomputers since they are used mostly by scientists and they have a large memory capacity.
Answer:
Aerobic Exercise
Explanation:
Aerobic exercise such running, jogging. Swimming, increases the heart rate and one's capacity to use oxygen. Thus, the heart doesn't need to beat too fast to deliver the same quantity of blood.
Communication because when you communicate clearly with people instructions come off clearly
Swear glands help in the skin to regulate body temperature