WONDER #503: What Makes Hair Grow?

Question 1 of 3

Hair’s growth phase is called what?

  1. the anagen phase
  2. the telogen phase
  3. the emergent phase
  4. the follicle cycle

Question 2 of 3

How long does it take an average person\'s hair to grow two inches?

  1. two months
  2. four months
  3. six months
  4. eight months

Question 3 of 3

Hair is made of the same protein as what other part of your body?

  1. teeth
  2. skin
  3. fingernails
  4. bone

Check your answers online at https://www.wonderopolis.org/wonder/what-makes-hair-grow.