diffusion Flashcards
1
Q
what is diffusion
A
tendency of the molecules of a substance (gas, liquid, or solid) to
move from a region of high concentration to one of lower
concentration
2
Q
what in the body moves by diffusion
A
oxygen and carbon dioxide
3
Q
what does the kidneys remove
A
waste products like urea, creatinine,
and excess fluid from the blood
