Tusomesasa.

Describe how the mammalian skin regulates body temperature. (20marks)

Suggested resposponses

High temperatures above normal;sweat glands produce sweat;water in the sweat evaporates;absorbing latent heat of vaporization produces a cooling effect;hair lie flat due to relaxation of the erector pili muscles; no/little air is trapped; increased heat loss in the body; blood vessels; vasodilate; more blood flows to the skin hence more...