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Oxygen enter the capillaries by diffusion due to difference in oxygen concentrations.
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∙ 13y ago
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What does oxygen enter a cell by?
capillaries
In which capillary beds does oxygen enter the capillaries and carbon dioxide exit the capillaries?
The capillary bed in the lungs is where the oxygen and carbon dioxide are exchanged.
What is the job of the bronchioles?
The brochiole's function is to allow oxygen to pass into the aveoli (air sacks covered in capillaries) where the oxygen can then enter your blood stream.
How do the lungs get the oxygen to the body?
The air enters through the mouth or the nose and is pulled down through the windpipe into the lungs. From the lungs, the oxygen molecules are dissolved in the alveoli and enter the red blood cells in the capillaries of the lung. From the capillaries, they travel to the heart and push oxygen through the body.
What is the use of the capilaries?
The capillaries are the site of diffusion of wastes, oxygen, and nutrients. This allows these materials to enter and leave body tissues.
What are tiny tubes that connect arteries to the veins?
Capillaries. From the arteries, arterioles carry the blood, and at their ends they have a minute sphincter beyond which they are venules. The tiny sphincters may play a part in stopping bleeding.
Oxygen diffuses into the capillaries of the lungs because there is?
It diffuses because the concentration of oxygen in the capillaries is lower than the concentration of oxygen in the air (law of diffusion).
What do capillaries exchange?
Capillaries exchange food, oxygen, and carbon dioxide.
Oxygen passes into the capillaries that surround these sac?
Oxygen passes into the capillaries that surround the alveoli. The thin walls of the capillaries make this diffusion easier.
Oxygen diffuses into the capillaries of the lungs because there is a?
greater concentration of oxygen in the air sacs of the lungs than in the capillaries.
Why does diffusion happen in capillaries?
Capillaries must allow diffusion too allow for exchange of oxygen. Without oxygen, the eventual consequence would be death.
Tiny blood vessels that allows food oxygen and other substance to pass the cell?
capillaries
