Which of the following statements about diffusion is true?

 Category: Understand Properties of Solutions

Which of the following statements about diffusion is true?

Please select all that apply.

•  Diffusion is a passive process
•  Gas exchange in tissues is an example of diffusion.
•  Osmosis is an example of diffusion.
•  Diffusion is the net movement of molecules or atoms from a region of higher concentration to a region of lower concentration.
•  Diffusion is the net movement of molecules or atoms from a region of lower concentration to a region of higher concentration.
•  Diffusion is an active process.