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    three major types of cells found in blood

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    Describe the three major types of cells found in blood and their respective functions.

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    The three major types of blood cells in blood are:

    1. Erythrocytes (red blood cells or RBCs) are small biconcave "cells" whose primary responsibility is to carry oxygen (O2) to the tissues from the lungs. They are filled with hemoglobin, a four-subunit protein that contains iron. Each hemoglobin molecule binds four oxygen atoms. The reason I said that that they are "cells" as opposed to just cells (without the quotation marks) is that these RBCs do not contain any internal organelles. While they were ...

    Solution Summary

    Three major types of cells found in blood are overviewed.