Which gas do humans release from the lungs as a waste product of respiration?

  1. Oxygen
  2. Nitrogen
  3. Carbon dioxide
  4. Hydrogen

📝 Detailed explanation

Cells produce carbon dioxide during the breakdown of glucose.
It is transported by the blood to the lungs to be exhaled.
8 / 30 (27%)
Question 8 of 30
← Previous → Next Space — Show answer

🎯 Take a test on the topic «CAU Admission Test Sample Questions 2»

This topic contains 30 questions. Test your knowledge!

🔐 Log in to take the test

📚 All tests by subject «Bio+Chem»

View all collections and topics in Bio+Chem

Go to subject →

Report an error

Answers are unavailable

This test collection is closed. To get full access, please purchase 🌟 premium

Contact by email