how does the blood carry various substances
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with the oxygen and haemoglobin
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Question-How does the blood carry various substances
Answer-Oxygen has to be transported to the rest of the body. Also the blood picks up the waste materials including carbon dioxide from the cells. This blood has to go back to the heart for transport to the lungs for removal of carbon dioxide . So, two types of blood vessels, arteries and veins are present in the body.
Answer-Oxygen has to be transported to the rest of the body. Also the blood picks up the waste materials including carbon dioxide from the cells. This blood has to go back to the heart for transport to the lungs for removal of carbon dioxide . So, two types of blood vessels, arteries and veins are present in the body.
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