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Biology 203: Cell Structure and Metabolism

66 Lessons 16 Topics Calculating...

Your body has many kinds of cells, each specialized for a specific purpose. Just as a home is made from a variety of building materials, the human body is constructed from many cell types. For example, epithelial cells protect the surface of the body and cover the organs and body cavities within. Bone cells help to support and protect the body. Cells of the immune system fight invading bacteria and so on. In this tutorial, we will be introducing the cell, as the basic building block of life.

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