Julie11111111 Julie11111111

28-10-2017
Biology

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Why do you need your respiratory system to live? Explain.

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helpplease101101 helpplease101101

28-10-2017

We need a respiratory system to live because it is made up of organs that allow us to breathe. When we breathe, we deliver oxygen to the cells in our body to get energy from our food. This helps us live.

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ivaan000 ivaan000

28-10-2017

It’s is made up of organs and it allows us to breathe

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