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In the alveoli whichvare at the end of the brochioles in the lungs.

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14y ago

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Where does oxygen poor blood enter first?

Superior Vena Cava: All blood on the right side of the heart is CO2: Carbon Dioxide. It's O2 (Oxygen) starved.


How does oxygen travel throughout the body?

First you breath it in and then it goes through you blood stream dropping off oxygen molecules and picking up carbon dioxide all through the body and then it goes to the lungs to get more oxygen and drop off the carbon dioxide so it can be exhaled.


What is the pathway of oxygen through your body?

The oxygen enters the body via the nose and mouth then travels down the trachea ( wind pipe ) then breaks into two bronchi (the bronchi splits the air into each lung) which then branches into lots of bronchioles which end in lots of alvioli.


How does oxygen enter your body?

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.


How is the movement of oxygen in the body similar to and different to the movement of carbon dioxide?

Both oxygen and carbon dioxide are transported in the blood. Oxygen is carried by hemoglobin in red blood cells, while carbon dioxide is mainly transported as bicarbonate in plasma. However, the mechanisms of their diffusion and release in tissues and exchange in the lungs differ, with oxygen diffusing from alveoli into the blood and carbon dioxide diffusing from tissues into the blood.