What is the funtion of the lungs in the respiratory system? (Use complete sentences.)

The lungs' main role is to bring in air from the atmosphere and pass oxygen into the bloodstream. From there, it circulates to the rest of the body. Help is required from structures outside of the lungs in order to breath

Explanation:

Explanation: The lungs are the most important part of the respiratory system. They give air to serve the whole entire body. Lungs are one of the most vital organs of the body, since they help us breathe, and if we did not breathe, we would die.

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answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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