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More commonly known as Gas Exchange

Gas exchange takes place in the lungs. The movement of breathing causes the diaphragm and intercostal muscles in the chest cavity to change in size. Inside the lungs, there are large tubes branching off the windpipe called bronchi, which split into smaller and smaller tubes called bronchioles. These end in microscopic, bubble-shaped air sacs called alveoli. This is where the gas exchange takes place. In the alveolus oxygen diffuses from the air into the blood and carbon dioxide diffuses in the opposite direction.

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Q: How does diffusion occur in the alveoli of the respiratory system?
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Related questions

Where in the respiratory system does gas exhcange occur?

Gas exchange occurs in the alveoli in the respiratory system. The thin-walled structures allow diffusion of gases into and out of the capillaries.


Where in the respiratory tract does gas exchange occur?

The gas occurs by simple diffusion through the cells.


Where in the respiratory system does gas change occur?

in the alveoli


Where does gas exchange occur in the human respiratory system?

Gas exchange does not occur in the respiratory tract, it occurs in the alveoli.


Where does oxygen transfer during the transition between the respiratory and circulatory system occur?

By diffusion across a capillary wall.


How is Alveoli well adapted to diffusion?

The alveoli have very thin walls, which allow for rapid diffusion into the surrounding capillaries. There are also many alevoli in the lung, and that increases the surface area dramatically, allowing for more diffusion to occur


Does diffusion occur in the digestive system?

Diffusion occurs when something something something


Does the gas exchange function of the respiratory system occur in the alveoli?

Yes gas is transferred through the alveolar/capillary membrane in the alveolus. Gas moves from the alveolar air sacs to the pulmonary capillaries.


Where does gas exchange between the air and the blood occur?

respritory system


Which organs cause inhalation and exhalation to occur?

Respiratory system.


Where is the simple squamus found?

Simple Squamous are found in ventral body cavities, alveoli and capillaries in the lings, in the kidneys, capillaries where diffusion and osmosis occur, all vessels, and the heart.


How diffusion will occur?

diffusion is occur when different concentration gradient is applied