What is important in preventing heat loss from the body?
Options:
- (A) hydration
- (B) a cuticle
- (C) stay warm
- (D) sweating
- (E) warmth
- (F) skin
- (G) keratin
- (H) Animal fur OK. Let's think hard:
Head hair is especially important in preventing heat loss from the body. Hair is actually composed of a protein called keratin. Keratin is especially important in preventing heat loss from the body.
So, the final answer is (G).