What is alveolus, number, where are the alveoli and how do they work, relationship between alveoli and capillaries, what happens during gas exchange, pictures

Illustration about Alveolus. gas exchange. Pulmonary alveolus. alveoli and capillaries in the lungs. Illustration of cross, artery, chronic - 48200122

The different organs of the respiratory system such as nose, larynx, trachea, bronchi, etc. carry out the process of respiration/breathing. All these organs play an important role in supplying oxygen to the body and allowing its smooth functioning.

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Quick answer: gases move spontaneously from an area of high partial pressure to one of lower pressure. The partial pressure of "O"_2 in the alveoli is about 100 Torr, and the partial pressure of "O"_2 in venous blood is about 30 Torr. This difference in partial pressures of "O"_2 creates a gradient that causes oxygen to move from the alveoli to the capillaries. (from slideplayer.com} The layers of cells lining the alveoli and the surrounding capillaries are each only one cell thick, so the…

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Illustration of Human Alveoli structure Anatomy. Download a free preview or high-quality Adobe Illustrator (ai), EPS, PDF vectors and high-res JPEG and transparent PNG images.

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