• 1. 
    Only humans have skin.

  • TRUE
  • FALSE
  • 2. 
    A pigment causes differences in skin color among people.

  • TRUE
  • FALSE
  • 3. 
    The skin has no real function.

  • TRUE
  • FALSE
  • 4. 
    Acne is caused by chemical changes in the body.

  • TRUE
  • FALSE
  • 5. 
    Acne cannot be treated.

  • TRUE
  • FALSE
  • 6. 
    Acne has a hereditary component.

  • TRUE
  • FALSE
  • 7. 
    The human skin has one layer.

  • TRUE
  • FALSE
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