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From what the organs and organ systems are made up of? |
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Answer» The basic HIERARCHY of cellular organisation is: Cells - Tissue - Organ - Organ SYSTEM. So ORGANS are made up of two or more tissues. Skin is the largest organ in our body. An organ system is a group of organs that work together to PERFORM one or more FUNCTIONS. Each does a particular job in the body, and is made up of certain tissues. |
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