In normal cells all cells of animals and plants need oxygen to burn food, the use of energy as a result, sir.
oxygen will be sent to every cell in the body cells, red blood cells, we
lung tissue, oxygen, not the lungs, oxygen, or oxygen is much more, it does not need to be in the blood carries oxygen and oxygen with food groups to be used to create energy
Yes.My heart must also have varicose veins; cardio, sir, in spite of the heart is pumping the blood to various parts of the body, veins in the heart is very large in size.
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