The inhalation and exhalation of air and involves the exchange of air
Answer:
I think the first one might be cholesterol. sorry if I am wrong.
Its false that is the 8th step.
I would say all but A, but if only one answer it is, I would say C
I don’t get what your saying but here’s my answer When a teen takes drugs in order to feel good, it interferes with the body's natural ability to do so. Here's how drugs affect the brain: The brain is made up of billions of nerve cells. ... Drugs overload the body with dopamine — in other words, they cause the reward system to send too many “feel-good” signals. I hope it helps you
