Question

Exchange of gases between alveolus,blood & tissue?

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Answer 1

Answer:

At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli. ... Gas exchange allows the body to replenish the oxygen and eliminate the carbon dioxide.

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Answer 2

Answer:

Escape velocity is the minimum velocity required by a body to be projected to overcome the gravitational pull of the earth. It is the minimum velocity required by an object to escape the gravitational field that is, escape the land without ever falling back.

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