<span>Lungs take in air, and diffuse (absorb) air into the capillaries of the blood. However, this process is two steps, one for inhalation and one for exhalation. Diffusion takes place in both processes, and serves different purposes. One is to absorb oxygen, the other is to rid co2.</span>
c would be your answer i just took the test
Yes, your answer is correct.
I believe it is convergent evolution
I’m your teacher and you shouldn’t put questions that are personal
