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human body 2

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 systems A group of organs that work together to perform a certain task (job). Examples: Skeletal, Muscular, Digestive
multicellular 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
Created by: 971686