What is important in preventing heat loss from the body?\nOptions:\n- (A) hydration\n- (B) a cuticle\n- (C) stay warm\n- (D) sweating\n- (E) warmth\n- (F) skin\n- (G) keratin\n- (H) Animal fur OK. Let's think hard:
User
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).
Assistant