The red blood cells carry the oxygen in blood.
the blood absorb oxygen in the lungs(cappilaries)
Because your cells need oxygen. Blood has Hemoglobins inside it, which carry oxygen.
Oxygen enters the blood in the alveoli of the lungs
Blood that is enriched with oxygen.
Veins carry oxygen depleted blood to the heart.
By definition, ALL arteries carry Oxygen rich blood. Veins carry oxygen depleted blood.
This is through the Pulmonary Circulation.
Capillaries carry Oxygenated (oxygen rich) blood and De-oxygenated (oxygen depleted) blood.
The pulmonary artery carries blood away from the heart and it is low in oxygen.
Dark blood is blood from which the oxygen has been depleted. Once it is filled with oxygen again (in the lungs), it becomes lighter in color.
The oxygen within the blood is depleted and needs to be returned to the lungs to be re-oxygenated.
A
The pulmonary circuit is the movement of oxygen depleted blood to the lungs to pick up oxygen and unload carbon dioxide.
The pulmonary circuit is the movement of oxygen depleted blood to the lungs to pick up oxygen and unload carbon dioxide.
Arteries always carry blood to an organ/area, conversely veins always carry blood away. Interestingly Arteries can be thought to carry blood rich in oxygen, whereas veins carry oxygen depleted blood. When I was younger I remembered this as (Artery = Air), it's crude but it worked. There are 2 major vessels however that are the exception to this rule. The Pulmonary Artery, which carries oxygen depleted blood from the heart to the lungs. and the Pulmonary Vein which carries oxygen rich blood back to the heart. Happy Pumping
Blood changes color at the lungs because it unloads carbon dioxide and absorbs oxygen. Red blood cells that are carrying oxygen are a brighter red color than red blood cells that are depleted of oxygen.