If the core temperature of the body starts to then the smoo

If the core temperature of the body starts to _ then the smooth muscles in the arteriole walls _ which constricts the arteriole. _blood flows through the capillaries close to the surface of the skin as blood is redirected through the_which are found in the_layers of the skin. This _ the rate of heat loss from the body. Each of our body _ has a small muscle attached to the base. When this muscle _ the hair is pulled _ When the rate of heat loss from the body _ these muscle: contract so that the hairs stand on end, _ an insulating layer of still _ This _ the rate of heat loss. As the muscle contracts, we can see this in the skin as _ _ appear. (This response is much more effective in animals which have thick _ on their bodies.)

Solution

Vasoconstriction
1. a) falls
    b) contracts

2. a) less
    b)
    c) upper

3. a) decreases

The Pili erector muscles and goosebumps

1. a) hair

2. a) contract
    b) upright

3. a) increases
    b) providing
    c) air
    d) decreases

4. a) goosebumps
    b) hair