Boosting elastin<span> in the skin is a somewhat neglected topic in skin care</span>
Answer:
Here is the answer
During aerobic exercise, you breathe faster and deeper than when your heart rate is at rest. Your heart rates goes up, increasing blood flow to the muscles and back to lungs.
During anaerobic exercise, your body requires immediate energy.
<span>b. They release oxygen that organisms use to breathe.</span>
