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Questions and Answers
Which gas is mostly flushed out during the process of breathing?
Which gas is mostly flushed out during the process of breathing?
- Hydrogen
- Carbon dioxide (correct)
- Nitrogen
- Oxygen
What is the purpose of breathing in aerobic creatures?
What is the purpose of breathing in aerobic creatures?
- To extract energy from oxygen
- To bring in carbon dioxide
- To facilitate gas exchange (correct)
- To produce carbon dioxide
Where does gas exchange take place during breathing?
Where does gas exchange take place during breathing?
- In the nose
- In the alveoli (correct)
- In the circulatory system
- In the lungs
What is the respiratory rate?
What is the respiratory rate?
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What is one of the four primary vital signs of life?
What is one of the four primary vital signs of life?
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