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body and cell

What is the cell theory? All living things are made of one or more cells,the cell is the smallest unit of a living organism,cells come from other cells.
What is tissue? Is a large group of similar specialized cells
What is an organ? Group of related tissue that preform a specific function
What is an organ system? Group of related organs that work together to preform a specific function.
what does the circulatory system do? It brings oxygen and nutrients to your body.
What does the respiratory system do? brings oxygen to you blood and removes carbon dioxide from it
What does your digestive system do? it breaks down food into simpler substances
what does your nervous system do? Sends messages to your brain then sends a message to your muscles
are there other systems yes
Created by: 16vsherman