Answer:
The oxygen enters the bloodstream from the alveoli, which are tiny sacs in the lungs where gas exchange takes place. The transfer of oxygen into the blood is through simple diffusion. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries and starts with high concentration but fades to low concentration.
Explanation:
I think it’s B. The climate changed, and crocodiles could not survive in this region,
it sounds right
hope this helped! :)
Answer:
avoid working otu in wet weather
Explanation:
ecause its very slippery and someone could get seriously ijured from that.
Answer:can u have multiple answers or just one
Explanation:???
