1. The body’s cells require oxygen for cellular respiration. They must also rid themselves of carbon dioxide, a waste product. How does this explain the change in breathing rate? 2. The cardiovascular system moves blood around the body. Blood carries oxygen to cells and removes carbon dioxide from them. How does this explain the change in heart rate? 3. What are some of the ways your body regulates body temperature during strenuous activity? 4. How did your body respond after you stopped exercising? a. What does this response tell you about your body’s ability to maintain homeostasis? Use data from each of the 5 parameters to support your answer. 5. Research the physiology of common cold and fever. Predict the effect of common cold and fever on the five parameters.

Explanation:

1. Usually a change in breathing rate occurs when the body is undergoing an increase in body activity such as when one running or exercising. At such a point of running, for example, the body increases the levels of oxygen for the increased cellular respiration.

2. Using the same example of someone who is running, at such point, medical professionals believe that the heart which is part of the cardiovascular system begins to increase the frequency at which blood is circulated around the body. Thus, resulting in a change in heart rate (or change in the number of pumps per sec).

3.  The following are a few ways:

4. After you stopped exercising usually this occurs:

This almost instant response tells us that our body has an automated ability to maintain internal body temperature (homeostasis).

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explanation: