Explain the mechanism of gaseous exchange …

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Explain the mechanism of gaseous exchange between tissues and blood

Posted by Paras Jain 6 years ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 6 years ago

when we take oxygen show the nasal cavity. then the oxygen goes to the alveoli that is sac like structure present in the lungs. Here by the process of diffusion exchange of gases between the blood and the alveoli takes place.

Then the blood goes to the heart.And heart pumps that pure blood to the other part of the body or the targeted site.

When the blood goes to the site or the tissues. Then again the process of diffusion takes place for the exchange of the gases (Oxygen and Carbon dioxide).

In the blood there is high concentration of oxygen then the tissue. On other hand, in tissue there is high concentration of carbon dioxide than the blood. Hence by the diffusion the exchange of gases takes place.

In the blood where high concentration of carbon dioxide present goes to the heart. Heart pumps the blood to the lungs for purification. This pathway continuous goes on.

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science