Is the slow change in the gene pool of a species or population
Answer:
Excretion helps maintain Homeostasis by excreting wastes from the body, which eliminates harmful toxins housing themselves in your body, which would increase the chance of getting an illness. ... When you exhale, carbon dioxide and some water are removed from the body by the lungs.
Answer:
I'm pretty sure it's transport blood cells
Answer:B
Explanation:
Plants use CO2 and create oxygen, CO2 is CO2 no matter where it is from