click below
click below
Normal Size Small Size show me how
Week 2 Vocabulary
Human Body
| Term | Definition |
|---|---|
| tissue | a group of cells that work together to carry out a particular task (job) in an organism |
| organs | a group of tissues that perform a complex function (job) in a body ( Examples: lung, heart, liver) |
| organ system | a group of organs that work together to perform a certain task (job) Examples: Skeletal, Muscular, Digestive) |
| many-celled organisms | an organism made up of many cells |
| microscope | a device used by scientists to observe (see) extremely small objects or organisms |
| cell wall | a stiff structure that surrounds and protects a cell, found in plants |
| organelles | a tiny structure within a cell that performs a specific function (job) for that cell. They float in the cytoplasm of the cell |
| skeletal system | the system that is made up of all the bones in the body |
| bones | the organs that make up a skeleton |
| bone marrow | spongy material inside long bones that produces blood cells |