Which scenario illustrates how hair keeps u healthy and free from germs? a. a person with a thick head of hair usually gets fewer colds than someone who is bald because their head stays warmer during cold weather. b. a person with thicker nose hairs probably filters out more dust and irritants from their lungs than those with thinner nose hairs. c. a person with excess body hairs often stays healthier than one with very little hair since less dirt gets onto their skin. d. a person with thick eyebrows will have better eyesight since the hairs better protect the eyes from damaging sunlight