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It is part of the reproductive system. it is the opening to the birth canal
The air that enters the lungs is richer in oxygen when it enters the lungs. when it leaves it has more carbon dioxide and less oxygen as the lungs expel carbon dioxde and some unused oxygen.
The oxygen cells Actually the carbon dioxide is removed. Oxygen is taken in by the blood and circulated to the rest of the body.
carbon dioxide goes out and oxygen comes in
Oxygen must enter our blood and Carbon Dioxide must leave the blood through our lungs. They do so by diffusion between the cappillaries.
We find that carbon dioxide is removed from the body via what is called gas exchange in the lungs. When we inhale, air is drawn into the lungs, and the alveoli in the lungs are the sites where gas exchange takes place. Carbon dioxide exits the blood, and oxygen enters. When we exhale, the carbon dioxide is carried out of the body, and the process is repeated with another breath.
Blood coming from the lungs enters the left side of the heart.
Oxygen and carbon dioxide change in the lungs.
blood takes oxygen and gives carbon dioxide to the lungs
The lungs do not exchange oxygen and carbon monoxide. They exchange oxygen and carbon dioxide. They do that in the aveoli.
Lungs and Lungs. Blood that contains carbon dioxide means it is lacking oxygen, and the carbon dioxide was put into the blood as a waste product by all the other organs. The blood then reaches the lungs and exchanges the carbon dioxide for oxygen. The now oxygen-rich blood is transported to the heart where it is pumped throughout the body, and the carbon dioxide is exhaled from the lungs.
Oxygen and carbon dioxide in the alceoliCO2 and O2