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Why do we breathe?. What are our needs?. Take in oxygen Get rid of carbon dioxide. Where are our lungs?. What is inside our lungs?. Breathing and the Lungs Complete the passage using the given words Breathing has two vital purposes. Firstly it puts

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what are our needs
What are our needs?
  • Take in oxygen
  • Get rid of carbon dioxide
slide5

Breathing and the Lungs

Complete the passage using the given words

Breathing has two vital purposes. Firstly it puts

from the air into the body. Secondly it removes waste carbon dioxide from your body into the air. Oxygen is needed by every in your body. Without it the cells will die within a few minutes. Similarly, every cell makes a waste called

which must be got rid of quickly or the cell will die.