Answer:
Don't take my word for it but
I'm gonna go with
Explanation:
C is my answer
C) the lungs.
The air moves down the trachea and into the lungs where it is picked up by the blood
Answer:cellular respiration is a process by which cells use oxygen to produce energy from food.
This happens in the mitochondria
They had to adapt to the heat and to learn to survive long periods without water
