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level: Functions of the Respiratory system

Questions and Answers List

level questions: Functions of the Respiratory system

QuestionAnswer
Why do we inhale air?To bring oxygen into the body.
What gas is removed when we exhale?Carbon dioxide. (there are more gases exhaled including oxygen, but main purpose is to expel Carbon Dioxide).
The respiratory system can do the following to increase the amount of oxygen we take in if and when required?Increase depth of breathing or speed of breathing.