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What is the process that allows oxygen and carbon dioxide to transfer in the Alveoli?
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How do alveoli work?
The alveoli are located in the lungs. They are used to move carbon dioxide and oxygen between the lungs and the bloodstream.
What process allows the plates to move?
convection currents and heat transfer
What allows a plant to make sugar from carbon dioxide and water?
A botanical process called photosynthesis.
The tiny hollow air sacs where oxygen exchange occurs?
Alveoli (posh name for air sacs) have very thin walls with an excellent blood supply due to a large network of capillaries. This means that a concentration gradient is maintained allowing for maximum diffusion in and out of the blood of oxygen and carbon dioxide. Alveoli have elasticated walls so when we breathe out this helps push air out of the lungs more effectively. There are hundreds of alveoli, closely packed giving a large surface area over which gases can diffuse (rather than one huge air sac where there is alot of air not in contact with the walls)
The chemical on the inside of the alveoli that allows it to keep its round shape is?
the surfactant
Which process drives the gas exchange from the alveoli to the capillaries?
Diffusion is the process that allows the exchange of oxygen and carbon dioxide in the alveoli. This process is one of passive transport.
What structure in the respiratory system allows for exchange of oxygen and carbon dioxide?
The alveolar region of the lungs. (alveoli)
What system allows for the exchange of carbon dioxide and oxygen between the air and the blood?
It happens in the alveoli of the lungs
What process allows gas exchange in the lungs?
Diffusion
How do alveoli work?
The alveoli are located in the lungs. They are used to move carbon dioxide and oxygen between the lungs and the bloodstream.
Why do blood capillaries surround alveoli?
The alveoli are the sites of respiration: the oxygen in them provided by the inhaled air diffuses into the blood cells that flow through the capillaries. Carbon dioxide diffuses out of the blood and into the alveoli so it can be exhaled. The capillaries provide a way for the blood to reach the alveoli. Hope this helps
What is the function of the aveoli?
The function of the alveoli is to allow gas exchange with the blood and lungs. It takes in the carbon dioxide and then diffuses it.
What are the air sacs in clusters in the lungs?
They are called Alveoli. They act as the primary gas exchange. Their wall is thin, and is surrounded by capillaries. This allows exchange of oxygen and carbon dioxide between the respiratory and circulatory systems.
Why aren't the alveoli dry and not wet all the time?
The moistness of the alveoli allows for exchange of gases. This is the primary function of the alveoli, and the lungs. Gases can dissolve in water, but they can not dissolve in dry solid material. If the alveoli were dry, oxygen could not diffuse into the blood and carbon dioxide could not diffuse out. Such a person would suffocate.
What process allows the plates to move?
convection currents and heat transfer
What process allows carbon dioxide to move into the cells of plant leaves?
photosynthesis
What diseases affect the alvioli?
Alveoli are the minute sacs inside the lungs that expand and contain a membrane that allows the exchange of oxygen and carbon dioxide, called respiration. One of the major diseases that affect the alveoli is emphysema. That is when the walls between the alveoli breaks down and they lose surface area and become less efficient at respiration.
