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Oxygen is absorbed into the blood primarily in the lungs. In the alveoli, oxygen diffuses from inhaled air into the surrounding blood vessels in exchange for carbon dioxide, which is then exhaled. This process is facilitated by the respiratory system during breathing.
Oxygen is in the air, and when you breathe in the oxygen gets into your lungs and is absorbed into the red blood cells.
Oxygen enters the body by being absorbed into the blood (specifically, it is absorbed by red blood cells which contain an oxygen-carrying compound known as hemoglobin) when air is inhaled into the lungs, which have a highly porous, spongy structure which facilitates the exposure of blood to the air.
Oxygen is absorbed in the blood stream primarily in the lungs through the process of diffusion. When we breathe in, oxygen from the air enters the lungs and diffuses across the alveoli into the capillaries, where it binds to hemoglobin in red blood cells and is transported throughout the body.
Oxygen is absorbed, and Carbon Dioxide is released.
In lungs where carbon dioxide is released and oxygen absorbed and in cells where oxygen is given to cells and carbon dioxide is absorbed by blood.
On a very basic level, it is absorbed through capillaries in the lungs into red blood cells in the the blood stream.
Oxygen from the air is absorbed through the alveoli of the lungs and attaches itself to Haemoglobin in the bloodstream, becoming "Oxyhaemoglobin" which is bright red in colour and unstable in its nature. Transported by the blood it is then absorbed by the cells to be used by them.
Oxygen is absorbed during breathing due to the process of diffusion. When we inhale, oxygen diffuses from the air in the lungs into the bloodstream through the thin walls of the alveoli (tiny air sacs in the lungs). This oxygen is then transported by red blood cells to the body's cells and tissues for energy production through cellular respiration.
Decrease in alveolar surface area results in less boundary across which oxygen can be absorbed into the blood.
Approximately 97-98% of your blood is made up of red blood cells, which carry oxygen throughout your body. Hemoglobin, a protein in red blood cells, binds to oxygen and transports it to various tissues and organs in your body.