The Release Of Water Vapor From Sweat Glands When We Are Not Sweating?

2. If the blood supply to sweat glands is increased, what will happen?

3. Why do people who live in warm climates tend to perspire more than those who live in cold climates?

4. What are some of the methods used for measuring body temperature (see Figures 3-1 and 3-2)? How does this information help you know when you might be overheated or underheated?

5. Describe how your own thermoregulation system works; then compare it with that of an antilope on a hot day (Figure 4-32). Answer these questions about antilopes: 1. Do they sweat like humans? 2. What happens if their temperature rises above 98°F (37°C)? 3. Which tissues have their heat capacity equal to air at 68°F [20°C] and which have minimal heat capacity compared to air at 68°F [20°C]?’

6 . Explain why there are two types of sweating mechanisms, one involving the skin surface directly contacting the environment, which occurs in shivering animals such as dogs during exercise, and another involving evaporation from small areas within the skin surface—sweat pores—which occurs in most other mammals including humans although they rarely raise their body temperatures above 98 ° F.[37 ° C]. Discuss how overcooling causes overshivering rather than hypothermia because internal organs don’t cool down sufficiently through evaporation alone

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