Cell Diversity – trillions of cells in the human body are made up of some 200 different cell types that vary greatly in size, shape and function. 1. Cells.

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Presentation transcript:

Cell Diversity – trillions of cells in the human body are made up of some 200 different cell types that vary greatly in size, shape and function. 1. Cells that connect body parts: a.Erythrocyte (RBC) – concave disk that carries oxygen and flows easily through the bloodstream.(Cardiovascular System)

2. Cells that cover and line body organs: a.Epithelial – hexagonal in shape which allows the cells to be packed together. (Integumentary System) 3. Cells that move organs and body parts: a. Skeletal Muscle – elongated and contain many contractile filaments so muscles can contract.(Muscular) b. Smooth Muscle – elongated and a few contractile filaments.(Digestive)

4. Cells that store nutrients: Fat Cell -spherical in shape with the nucleus pushed to the side. (Found in breast tissue and surrounding organs for protection.) 5. Cells that fight disease: Macrophage – contains pseudopods which allows the cell to crawl around to locate infection so that lysosomes can ingest it. (Lymphatic System)

6. Cells that control body functions: Neuron- has long processes to receive and transmit messages. (Nervous System) 7. Cells of Reproduction: Oocyte- female egg cell, largest cell in the body. Sperm – male cell, long and built for swimming. Contains a flagellum to propel the sperm. (Reproductive)