2. The Cell

3. What are cells? What are cells? Your body is divided into tiny sections called cells. The cell is one of the most basic units of life. Cells are grouped together in collections called tissues.

4. Cells There are cells that are organisms, such as microscopic amoeba and bacteria cells. There are cells that only function when they are part of a larger organism, such as the cells that make up your body.

5. Cell Types Bone Cell Muscle Cell Nerve Cell Blood Cell Small Intestine Cell

6. Cell Parts or areas: All cells have three main parts: the cell membrane, the cytoplasm, and the nucleus.

7. Cell Membrane The cell membrane surrounds the cytoplasm of the cell. It acts as a boundary layer to contain the cytoplasm (fluid in cell). It allows water, oxygen, and other materials to pass in and out of cells. Cell membrane

8. Cytoplasm Cytoplasm is the material between the cell’s nucleus and the cell membrane. It fills the entire cell. It contains a large variety of organelles and nutrients. It stores nutrients. cytoplasm

9. Nucleus The nucleus is the cell’s command center. The cell’s nucleus contains the cell's DNA, the genetic code.

10. Mitochondria The mitochondria provide the energy for the cell.

11. PARTS OF A CELL Move the names of the parts of the cell next to the picture by pressing the spacebar. nucleus mitochondria cytoplasm cell membrane