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It doesn't. But the body is able to extract oxygen from the air and into the blood through the thin walls of the inside structyre of the lungs. It also rids itseld of carbon dioxide by dumping it back into the air through the membranes.
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∙ 15y ago
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∙ 8y agoby osmotic pressure gradient, not by diffusion, which is really a technicality. millions of tiny capillaries encircle the alveoli which are the air sacs of the lung. oxygen passes through the membranes which make up the alveolus wall, and the wall of the capillary beds. simultaneously carbon dioxide leaves the capillary and passes into the alveolus to be breathed out during exhalation. the whole process takes about 0.75secs.
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∙ 15y agoOxygen passes easily through these walls, moving from the air sacs into blood in the capillaries.
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∙ 12y agooxygen goes into the blood and carbon dioxide comes out of the blood. (sorry if i am not completely correct i tried) haha jk i lied
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∙ 9y agoThe alveoli are the tiny air sacs in the lungs were oxygen and carbon dioxide are exchanged between the air and the blood.
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∙ 14y agoGas Exchange
Anonymous
carbon dioxide
Anonymous
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What is the name of the organ that you use to breathe in oxygen?
the air goes into your lungs. In your lungs there are billions of tiny air sacs. Surrounding each air sac is a network of blood capillaries. The air sacs and the blood capillaries are separated by a thin membrane. Across this membrane the air sacs give the blood capillaries oxygen and they blood capillaries give the air sacs carbon dioxide. We breathe out this carbon dioxide!
What has more oxygen air sacs or blood?
air sacs
What takes air into the air sacs?
air sacs are in the lungs and when you breathe in blood carries it to the lungs.
Why do lungs have lots of air sacs?
Because the air sacs carry oxygen to the blood!
Which substances are exehanged between the blood in the capillaries and the air in the air sacs?
Oxygen moves into the capillaries from the air sacs. Carbon dioxide moves out the the capillaries into the air sacs.
What gases are exchanges in air sacs?
The air sacs (alveoli) have a very large total surface area and a very good blood supply. There is an exchange of gases between the air sacs and their surrounding capillary blood vessels. Oxygen diffuses from the air sac into the blood. Carbon dioxide diffuses from the blood into the air sac.
The microscopic air sacs or alveoli are the sites where the blood what?
Pick up oxygen and give up carbon dioxide
What sort of blood vessels are surrounding the air sacs in your lungs?
Capillaries are the blood vessels that surround the alveoli, or air sacs, in your lungs. These capillaries are the site of gas exchange.
Does oxygen enter the blood in the air sacs true or false?
true
What type of blood vessels are associated with air sacs in the lungs?
capillaries
Tiny air sacs where the exchange of gases between air and blood takes place?
alveoli
High level chlorine exposures might cause breakdown of the barrier between the alveoli and pulmonary capillaries?
Air sacs; blood vessels that surround the air sacs
