Heat Regulation

Q.

Sweat glands in mammals are primarily concerned with:

1. Regulation of water content

2. Removal of excess salts

3. Killing of bacteria

4. Regulation of body heat

Q. Warm-blooded animals need more energy than cold-blooded animals to maintain their body temperature.

1. True
2. False

Q. Mammals and birds can produce body heat internally. Hence, they are called .

1. endotherms
2. ectotherms
3. mesotherms