Answer:
moving materials in and waste products out
Explanation:
Answer:
The cheetah can run faster than the tiger but not as fast as the jaguar.
In facilitated diffusion, substances move into or out of cells down their concentration gradient through protein channels in the cell membrane. Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient.
Answer:
C. Poorly functioning immune system
Explanation:
Being underweight would basically mean that you aren't receiving enough nutrition for your body, causing your immune system to weaken from it.
