What cools the body?
evaporation Putting heat on it Movement of an air mass Starting a fire Evaporation of alcohol Evaporation of water vaporization reduced heat
A B C D E F G H
Fig 4-23 sweat contains water, salt, lactic acid, vit.
evaporation of water cools the body
What cools the body? (A) evaporation (B) Putting heat on it (C) Movement of an air mass (D) Starting a fire (E) Evaporation of alcohol (F) Evaporation of water (G) vaporization (H) reduced heat