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science
body and cell
Question | Answer |
---|---|
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 |