Pretty positive the answer is shapes
Answer:
Diffusion transport is responsible for oxygen entering blood cells because when the oxygen concentration in the alveoli in the lungs are too high it diffuses with the red blood cells by giving it oxygen and receiving carbon dioxide.
Explanation:
Answer:
A.
Explanation:
Because carbon dioxide produce energy and releases oxygen
It's B, I got it right. You would do chest thrusts if their torso is to big to reach around or if they're pregnant.