Answer: oxygen is like a gas that helps your body work and breathe. For example your lungs need air and etc. Then chemicals from red blood cells pick up the Oxygen and bring it to the body tissues and cells
Answer:
Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make energy. Your lungs absorb oxygen from the air you breathe. The oxygen enters your blood from your lungs and travels to your organs and body tissues
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