I will come back to this question tomorrow with the paragraph
Answer:
Diffusion. ... Diffusion is the movement of molecules from a region of higher concentration to one of lower concentration. This movement occurs because the molecules are constantly colliding with one another. The net movement of the molecules is away from the region of high concentration to the region of low concentration.
Explanation:
Answer:
During swallowing, a cartilagenous flap called epiglottis closes the entrance of wind pipe.
Explanation:
To increase blood sugar levels so you don't feel faint or nauseous.