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PBS The Amazing Human Body: Survive Viewing Guide Answer the following questions as you watch the video. 1. What is the body's number one priority in maintaining homeostasis? 2. The body needs to be at a constant temperature. What are some ways the body does this? 3. Draw the feedback loop that happens when the muscles produce CO2. 4. Describe how infection is a threat to homeostasis. 5. How does the body react to infection? 6. What are some defenses the body has to keep invaders out? 7. Draw infection as a feedback loop. 8. Can we manage pain and if so, how? 9. What is the pain study about? 10. What is the benefit of fear? When do we become fearful in human development?​

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Answer:

1. the primary mechanism to maintain homeostasis is negative feedback.

2. When exposed to hot conditions, sweating is one of the primary methods your body uses to control its temperature. 

3. Sweat, as it evaporates, helps cool the skin. Blood vessels feeding the skin also dilate, which allows warm blood to flow to the skin surface. This helps remove heat from the body core.

4. Bacteria can also disrupt homeostasis in your body, and can make you sick.

5. In response to infection, your immune system springs into action.

6.

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