Question

Where does the oxygen laden blood go from alveoli?

Answer 1

Hey friend,
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Question: Where does the oxygen laden blood go from alveoli?

Solution: 

Breath- one inhalation + one exhalation .
 
When we breath we taking in oxygen and  give out carbon dioxide.

The oxygen taken in passes through nostrils and finally reaches out alveoli. 

It is at this place where oxygen combines with blood and forms oxygenated 
blood due to high partial pressure of oxygen.

The blood contains respiratory pigment known as hemoglobin which combines with oxygen and forms oxyhemoglobin which is then carried to different cells.

At the cells the partial pressure of carbon dioxide is higher than of oxygen and hence oxygen diffuses into cells and carbon dioxide combines with the blood forming deoxygenated blood. 

Which then comes to alveoli where carbon dioxide diffuses out and oxygen combines with the blood.

Hence the cycle keeps repeating.

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Hope this helps you

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Regards 
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Answer 2

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.