Answer:
During aerobic exercise, you breathe faster and deeper than when your heart rate is at rest. You're maximizing the amount of oxygen in the blood. Your heart rate goes up, increasing blood flow to the muscles and back to the lungs. During anaerobic exercise, your body requires immediate energy.
Explanation:
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Inhaling particles from a wildfire can cause respiratory irritation, shortness of breath, asthma, and lead to long-term problems such as heart disease. If carbon monoxide is in the air, it can be fatal.
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
B) flexibility , is what will improve due to these activities.
