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Large surface area + small radius for diffusion.
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∙ 6y ago
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Where does carbon dioxide exchange with oxygen?
they exchange in the aveoli and capillaries
What gas leaves the blood in pulmonary capillaries and enters the alveoli?
carbon dioxide
How do partial pressures of gases influence the exchange of gas?
Gas exchange takes place at a respiratory surface-a boundary between the external environment and the interior of the organism.
Where are oxygen and carbon dioxide exchanged in the body?
The alveoli sacks have many capillaries and the exchange occurs. O2 from the lungs hits the blood and CO2 is just given off.
Where does gas exchange of carbon dioxide and oxygen happen?
In the alveoli which is in the lungs
Why do capillaries need to be so thin?
so they can allow for gas exchange
What surrounds the alveoli in the lungs to allow gas exchange to occur?
Capillaries
What do caplillaries do?
Capillaries are the smallest blood vessels, and they allow for gas exchange in the tissues.
What is the role of the capillaries?
Capillaries are very small blood vessels found within the tissues of the body. Its primary role is to transport blood from arteries to the veins.
What is the work of capillaries?
allow gaseous exchange
What is the work of the capillaries?
allow gaseous exchange
What vessels exchange materials with the extra cellular fluid and the blood?
Capillaries. Since they are only once endothelial cell thick, they can exchange gas, nutrients, and waste across their membrane. Capillaries in the brain have endothelial cells close together to onyl allow a slecetive exchange of materials, while capillaries in the kidney or liver have gaps between the endothelial cells to allow the exchange of a lot of materials.
Gas and nutrient exchange occur in the?
capillaries
What vessels is responsible for gas and nutrient exchange with each of the body's cells?
The capillaries are responsible for gas and nutrient exchange with each of the body's cells.
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.
Capillaries connect what?
Capillaries connect small arteries to small veins. Capillaries are the site of gas exchange.
The exchange between alveoli and capillaries allows what?
gas exchange to take place/to allow cells to lose CO2 and gain O2 so they will be oxygenated and ready to be pumped around your body.
