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carbon dioxide
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∙ 11y ago
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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 are the tiny blood vessels that wrap around the air sacs?
Capillaries . The smallest of the blood vessels: capillaries.
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 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.
What are the small tubes called that carry air to the air sacs?
Capillaries.
How do the circulatory and respiratory system work together in the air sacs?
The lungs bring air into the air sacs, which are tightly wrapped with capillaries. The capillaries exchange oxygen for carbon dioxide, which the lungs expel.
What are tiny air sacs surrounded by capillaries?
Alveoli.
What are the minute air sacs of the lungs that contain millions of capillaries are?
alveoli
What type of blood vessels are associated with air sacs in the lungs?
capillaries
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 do air sacs need to have a rich supply of capillaries?
They need a lot of blood.
What tissue forms a wall of capillaries and air sacs of lungs?
Transitional arms
