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chapter 3 science
| Question | Answer |
|---|---|
| tissue | a group of similar cells that perform a common function. |
| organ | a collection of tissues that carry out a specialized function of the body. |
| organ system | a group of organs that work together to perform body functions. |
| organisms | a living thing; anything that can carry out life processes independently. |
| structure | the arrangement of parts in an organism. |
| function | the special, normal, or proper activity of an organ or part |
| cell wall | a rigid structure that surrounds the cell membrane and provides support to the cell |
| ribosome | cell organelle composed of RNA and protein; the site of protein synthesis |
| endoplasmic reticulum | a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids |
| mitochondrion | in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration |
| Golgi complex | cell organelle that helps make and package materials to be transported out of the cell |
| vesicle | a small cavity or sac that contains materials in a eukaryotic cell |
| lysosome | a cell organelle that contains digestive enzymes |