Question

How is oxygen and carbon dioxide
transported in human beings?​

Answer 1

Answer:

Oxygen and carbondioxide are transported in human being through air. These gases enter in our body through nasal canal. Oxygen is absorbed by the blood capillaries from the lungs alveoli by diffusion while carbon-dioxide is absorbed by the lungs alveoli from blood capillaries by diffusion.

Answer 2

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• Oxygen enters the blood from the lungs and carbon dioxide is expelled out of the blood into the lungs. 

• The blood serves to transport both gases. 

• Oxygen is carried to the cells. 

• Carbon dioxide is carried away from the cells.