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5. Which type of blood cell is responsible for carrying oxygen?

6. How is the shape a benefit for that blood cell?

7. Red blood cells contain large amounts of ______________, a protein that binds to oxygen as it diffuses into the cells.

8. Which type of blood cell fights pathogens in our body?

Respuesta :

5: red blood cells
6:The advantage of red blood cells' biconcave shape is that the surface area is increased to allow more haemoglobin to be stored in the cell.
7: hemoglobin
8:White blood cells

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