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nilbert
Hi there!

The nose, diaphram, and lungs are all part of the respiratory system.

The respiratory system's job is to get you breathing; to get oxegon and nitrogen in your lungs and get carbon dioxide out.

Hope this helps!
clickdetector

Answer:

Respiratory!

Explanation: The respiratory system is what helps you breathe. It is vital for you to get oxygen to your brain and other organs so that which you don't die from lack of oxygen.

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