Alveoli.
Tiny air sacs surrounded by blood capillaries are called alveoli. They are the primary site of gas exchange in the lungs, where oxygen from the air is absorbed into the blood, and carbon dioxide is released from the blood to be exhaled. Each alveolus is surrounded by a network of capillaries, facilitating this crucial exchange between the respiratory and circulatory systems.
The tiny air sacs in the lungs, known as alveoli, are surrounded by a network of capillaries. These capillaries are tiny blood vessels that facilitate the exchange of oxygen and carbon dioxide between the air in the alveoli and the blood. The close proximity of the alveoli to the capillaries allows for efficient gas exchange, essential for respiration. Additionally, the alveolar walls are composed of a thin layer of epithelial cells, which further aids in this exchange process.
Capillaries . The smallest of the blood vessels: capillaries.
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!
Tiny air sacs where the exchange of gases between air and blood takes place are located in the lungs. These air sacs are called alveoli and are surrounded by capillaries where oxygen from the air enters the blood and carbon dioxide exits the blood into the air.
The air sacs in the lungs where gases move into and out of the blood are called alveoli. They are tiny, thin-walled sacs surrounded by blood capillaries, allowing for efficient gas exchange between the lungs and the bloodstream.
The lungs contain air sacs called alveoli which are surrounded by blood capillaries to allow gaseous exchange.
Alveoli which are in your lungs
Oxygen moves into the capillaries from the air sacs. Carbon dioxide moves out the the capillaries into the air sacs.
Alveoli which are in your lungs
Gas exchange occurs in the alveoli of the lungs. These tiny air sacs are surrounded by capillaries where oxygen from the air can enter the bloodstream and carbon dioxide can be removed from the blood.
These tiny air sacs are called alveoli. These alveoli are surrounded by capilaries tiny blood vessells. These capilaries have holes that are to small for blood cells to escape but are big enogh for oxygen molecules to pass in to the blood stream and attach to the haemoglobin in your blood.