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Capillaries. The diffusion of nutrients, oxygen, carbon dioxide and wastes take place in the capillaries. If you want to be more specific, it would be the venous ends of the capillaries where carbon dioxide enters the blood.

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Q: Carbon dioxide enters the blood at the?
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Related questions

How is most of the carbon dioxide that enters the blood transported?

Depending on the levels of hydrogen ions, carbon dioxide is converted into bicarbonate in the blood


Where is the place where oxygen enters the blood and carbon dioxide leaves the blood?

Oxygen is entered through the mouth and carbon dioxide is released out of the mouth.


What do lungs remove from the blood?

The oxygen cells Actually the carbon dioxide is removed. Oxygen is taken in by the blood and circulated to the rest of the body.


What gas leaves the blood in pulmonary capillaries and enters the alveoli?

carbon dioxide


What happens to the oxygen when it reaches the alveoli?

oxygen enters the blood and carbon dioxide


The function of lungs?

It is part of the reproductive system. it is the opening to the birth canal


Where does the oxygen enters and carbon dioxide leaves?

Oxygen must enter our blood and Carbon Dioxide must leave the blood through our lungs. They do so by diffusion between the cappillaries.


In the respiratory system oxygen enters the blood and carbon dioxide leaves the blood in clusters of sacs called what?

Alveoli.


What enters the blood and leaves the blood?

Oxygen (O2) enters the blood through inhalation and is circulated throughout the body. Carbon Dioxide (CO2) is filtered out of the blood as a waste product and exhaled.


What are two gases that enter and exit from the alveolus?

It is carbon dioxide which is collected from different organs of the body by blood


What determines whether carbon dioxide is absorbed or released by blood?

The rate at which carbon dioxide enters the cell is determined by the concentration of carbon dioxide on each side of the membrane. Carbon dioxide crosses the plasma membrane by simple diffusion.


In the respiratory system oxygen enters the blood and carbon dioxide leaves the blood in clusters called?

Alveoli (plural) and alveolus (singular)