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Oxygen enters our body through the process of respiration. When we inhale, air containing oxygen enters our lungs. The oxygen then diffuses from the air sacs in the lungs into the bloodstream, where it is carried by red blood cells to tissues throughout the body.
The tiny air sacs are called alveoli. Oxygen from the air enters the bloodstream through the walls of the alveoli, while carbon dioxide from the bloodstream is released into the air sacs to be exhaled.
The organ that supplies a human's bloodstream with oxygen from the air is the lungs. When we inhale, air enters the lungs, and oxygen from the air diffuses into the bloodstream through the alveoli, tiny air sacs where gas exchange occurs. This oxygen-rich blood is then circulated throughout the body to supply tissues and organs.
Yes, when we breathe in, oxygen from the air enters our lungs. This oxygen is then absorbed into the bloodstream through tiny air sacs in the lungs called alveoli.
Carbon dioxide and oxygen exchange primarily in the lungs during respiration. Oxygen enters the bloodstream from the lungs, while carbon dioxide is removed from the bloodstream and exhaled out of the body. This exchange occurs in the alveoli, small air sacs in the lungs where oxygen from the air is absorbed and carbon dioxide from the blood is released.
Oxygen (O2) enters your body through breathing air, which contains oxygen in it. This oxygen goes into your lungs where it is put into the bloodstream, supplied to cells in your body, returned to the lungs as carbon dioxide (CO2), and exhaled through the lungs.
Oxygen enters your body through the lungs during the process of breathing. The air you inhale contains oxygen, which is then absorbed into the bloodstream in the lungs and transported to cells throughout the body.
Animals get oxygen for cell respiration from the air through a process called breathing. Oxygen is inhaled into the lungs where it enters the bloodstream and is carried to the cells throughout the body.
Lungs
alveoli. These are tiny air sacs in the lungs where oxygen from inhaled air enters the bloodstream and carbon dioxide from the blood is expelled into the lungs to be exhaled.
Oxygen enters the bloodstream through the alveoli in the lungs. When you breathe, oxygen from the air diffuses across the thin walls of the alveoli into the surrounding capillaries, where it binds to hemoglobin in red blood cells for transport throughout the body.