Why are red blood cells important?

Answer 1

That is because they contain a protein called Haemoglobin

Red blood cells contain hemoglobin, which transports oxygen throughout the body and carbon dioxide out of your body by moving it to your lungs where it can be exhaled.

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Answer 2

Red blood cells are vital because they help return carbon dioxide, a waste product, to the lungs for exhalation and carry oxygen from the lungs to the rest of the body.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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