Answer:
When heart rate or rhythm changes are minor
Your heart rate or rhythm can change when you are under stress or having pain. Your heart may beat faster when you have an illness or a fever. Hard physical exercise usually increases your heart rate, which can sometimes cause changes in your heart rhythm.
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your answer would be A. "Something that can happen as someone approaches death"
I hope this helps! i just wrote it out
Answer:
<h3>1==>During the Olympics, all asthma medications containing beta2-agonists, such as salbutamol (also known as albuterol), were on the official World Anti-Doping Agency (WADA) list of banned substances, due to their known ability to relax the smooth muscle cells in bronchial airways.</h3>
<h3>3.==>EPO stimulates the production of red blood cells in bone marrow and regulates the concentration of red blood cells and haemoglobin in the blood. This is useful for athletes, since red blood cells shuttle oxygen to the cells, including muscle cells, enabling them to operate more effectively.</h3>
Builds your flexibility, It strengthens your muscles and keeps you in shape
