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The extracellular fluid found in most tissues is called interstitial fluid. This fluid surrounds the cells and provides an environment for cells to exchange nutrients and wastes with the blood.
Red blood cells are responsible for oxygen exchange in the body. They contain hemoglobin, a protein that binds to oxygen in the lungs and transports it to tissues throughout the body.
Tiny blood vessels are called capillaries. They have thin walls that allow for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
the lungs
in the micro air sacs
The lungs supply blood with oxygen through a process called gas exchange. Oxygen is inhaled into the lungs through respiration and diffuses into the bloodstream from the air sacs in the lungs, called alveoli.
Blood -> plasma -> extracellular fluid -> cells.
Red blood cells are responsible for oxygen exchange in the body. They contain hemoglobin, a protein that binds to oxygen in the lungs and transports it to tissues throughout the body.
oxygen and carbon dioxide. oxygen is delivered by the blood into the cell and oxygen from the cell is is given to the blood in exchange to be expelled by the lungs.
The exchange of gases between the lungs and the blood is called gas exchange. This process involves the diffusion of oxygen from the alveoli in the lungs into the bloodstream, and the diffusion of carbon dioxide from the bloodstream into the alveoli to be exhaled.
The exchange of oxygen and carbon dioxide in the blood occurs in the capillaries surrounding the alveoli in the lungs. Oxygen diffuses from the alveoli into the blood, while carbon dioxide moves from the blood into the alveoli to be exhaled.
in the lungs
Exchange carbon dioxide and oxygen
Oxygen
The lungs are responsible for taking in oxygen from the air we breathe and transferring it into the bloodstream. This occurs through the process of gas exchange in the lungs where oxygen moves into the blood vessels in exchange for carbon dioxide.
Oxygen in the air diffuses into the lungs through tiny air sacs called alveoli. From there, it is picked up by red blood cells in the capillaries surrounding the alveoli through a process called gas exchange. The oxygen binds to hemoglobin in the red blood cells and is then transported to body tissues.
Tiny blood vessels are called capillaries. They have thin walls that allow for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.