In the lungs, gases move from an area of high concentration to
an area of low concentration from the alveoll into the blood by
what process?
Diffusion
Facilitated diffusion
c Osmosis

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey

who knows

explanation:

c. establishing proper sleep hygiene