Answer:
Less air sacs or surface area = less gas exchage = less oxygen makes it to the blood
Explanation:
Well, smoking is very bad cuz it basically breaks down your alveoli (air sacs) and causes their wall to be so thin that they start to merge with each other. Merging lowers the available surface area in lung for gas exchange, thus you cannot exchage the oxygen from your lung into the blood. Even though when you breathe in you take in all the oxygen you possibly can, it does not matter cuz it won't be making it to your blood as efficiently.
Is it on an app
luck with your work!
Answer:
A.she will lose weight
Explanation:
It is A because she burns more calories than she eats so she will lose weight because the more she burns, the less nutrients her body loses.
Heart. The reason behind this is harmful gases can cause many problems with the human body. It can effect the skin. Harming the skins natural barriers. It can harm the lungs. And your eyes are very soft. Your eyes cannot take that
When new information or experiences cause you to modify your existing schemes.