What is hair?
Q: What is hair?
A: Hair is something that grows from the skin of mammals.
Q: What is animal hair usually called?
A: Animal hair is usually called fur.
Q: What is curly hair called in sheep and goats?
A: Curly hair in sheep and goats is called wool.
Q: What is wool used for?
A: Wool is used to make many products, like clothing and blankets.
Q: What is hair made of?
A: Hair is made of keratins, which are proteins.
Q: Which animals have lost much of their hair through evolution?
A: Humans and some other animals have lost much of their hair through evolution.
Q: Which mammals have almost no hair at all?
A: Some other mammals, such as the elephant and the whale, have almost none at all.
