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Unit 4 review - Coggle Diagram
Unit 4 review
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Cells
Cells can take in nutrients and get rid of waste. They can join together with each other and communicate. They can move, grow and reproduce.
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Organs in the human body
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An organ is therefore a subsystem within a larger system. In each system the organs interact with each other to perform an overall function.
This is achieved by sending materials, forces, energy or information from one organ to another within the system.
In some systems, the organs are all located in one part of the body. In other systems, the organs perform their function better by being located in different parts of the body.
Tissues
Cells are usually found in groups so that they can work together. A group of cells that is organised to perform one or more specific functions is a tissue.
The covering that lines the windpipe is respiratory epithelium tissue, which cleans airways.
Fat reserves under the skin called white adipose tissue store energy and insulate the body against heat loss.
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