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Chapter 11
Cells
Question | Answer |
---|---|
cell | The smallest unit of a living thing. |
cell membrane | The thin covering that controls what enters and leaves a cell. |
cell wall | The stiff outer layer of a plant cell. |
neuron | A cell of the nervous system |
nucleus | The control center of a cell. |
organ | A body part made up of different kinds of tissues that work together to perform a particular job. |
red blood cell | A type of cell that carries oxygen to all other cells in the body. |
tissue | A group of cells of the same type that work together to perform a certain job. |
white blood cell | A type of cell that helps you heal after an injury and protects you from illness. |