Heat is removed from the body by sweating and radiation.
Means of conserving heat are decreased sweating, shutting down of the superficial
capillaries, reduction of the exposed surface area, and external heat sources.
6. The main purpose of skin pigmentation seems to be the limitation of the production
7. The opening of a wound is an avenue for infection and water loss. In healing, the
cells at the margins of the wound grow and multiply to reunite the margins.
End of Lesson 3