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Questions and Answers
Which organ is primarily responsible for the exchange of oxygen and carbon dioxide in the body?
Which organ is primarily responsible for the exchange of oxygen and carbon dioxide in the body?
- Lungs (correct)
- Heart
- Stomach
- Liver
What is the process by which oxygen is taken in and carbon dioxide is expelled from the body?
What is the process by which oxygen is taken in and carbon dioxide is expelled from the body?
- Excretion
- Respiration (correct)
- Digestion
- Circulation
What is the main function of the respiratory system?
What is the main function of the respiratory system?
- Producing hormones
- Maintaining body temperature
- Facilitating gas exchange (correct)
- Transporting nutrients
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