monkeys
Oxygen enters the blood stream through the air sacs in you lungs.
In air breathing animals, oxygen enters the blood stream through the alveoli, tiny sacs in the lungs. In water breathing animals oxygen enters the blood stream through the gills.
Oxygen reaches all parts of an animal's body when it inhales via the lungs, and the oxygen enters the blood stream. The heart then pumps these oxygenated blood cells to the rest of the body.
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Oxygen is brought into the blood stream by inhalation. Carbon dioxide moves out of the cells, into the blood, and taken to the lungs to be exhaled. Oxygen in, carbon dioxide out.
The left side of the heart contains oxygen-rich blood. The right side of the heart contains deoxygenated blood.
it contains oxygen so you can breathe and it contains blood cells
Oxygen goes from the lungs to the tissues via the blood stream and CO2 goes back to the lungs via the blood stream
To Filter the blood
Blood cells carry the oxygen through the blood stream to the other cells in the body.
Lungs and Lungs. Blood that contains carbon dioxide means it is lacking oxygen, and the carbon dioxide was put into the blood as a waste product by all the other organs. The blood then reaches the lungs and exchanges the carbon dioxide for oxygen. The now oxygen-rich blood is transported to the heart where it is pumped throughout the body, and the carbon dioxide is exhaled from the lungs.
your lungs