Quiz: Barriers on the Outside and the Inside
Question 1 of 2  

As strange as it may seem, defining what is outside and what is inside the body is not always easy because the body has many surfaces.  Nutrients and fluids are not really inside the body until which process occurs?

  • A.

    They are absorbed into the bloodstream 

  • B.

    They are broken down in the stomach 

  • C.

    They are chewed in the mouth   

  • D.

    They are swallowed 

Am I correct?