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What are the elastic sac-like structures in the lungs that are lined up with the capillaries?
They are called Alveoli.
What are alveoli surrounded by?
the blood surround Alveoli in order to gas exchange between the Alveoli and red blood cell.
How do the structures of the alveoli and capillaries support the function of gas exchange?
Alveoli are found within the lungs. The alveoli act as a specialised gaseous exchange surface in mammals. Another function of alveoli is the production of surfactant.
Does the carbon dioxide travels into capillaries alveolar and out of the capillaries at the tissue?
In the alveoli
What are the small sacs in the lungs where carbon dioxide is exchanged for oxygen?
The humorus
What is the name of the tiny blood vessels that surround the alveoli in the lungs?
These are called the alveoli capillaries.
How can the oxygen you bring into your body get to your circulatory system?
your lungs have structures called alveoli. The alveoli are surrounded by capillary beds which carry blood. The oxygen enters the alveoli when you inhale. The oxygen then diffuses from high concentration in your alveoli to low concentration the blood in the capillaries surrounding the alveoli.
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.
What are tiny air sacs surrounded by capillaries?
Alveoli.
What are the very small blood vessels that cover the alveoli?
The tiny blood vessels that surround the alveoli arecalled alveolar capillaries
Is it important that capillaries cover the alveoli?
It is very important that they cover you alveoli
What does the oxygen molecule do when it is in the alveoli?
It diffuses into the blood capillaries surrounding the alveoli.
