Answer:
A. They destroy antigens because they are a foreign object.
Answer:
The role of increased blood flow
During moderate- to high-intensity exercise, your muscles and tissues demand more nutrients and oxygen, which means that your heart must work harder and pump faster to meet those needs, says preventive cardiologist Haitham Ahmed, MD.
One is Swedish and one is regular
C because reversibility means when taking a break it'll be hard to get back on schedule <span />