The primary function of the respiratory system is to:
Show answer and explanation
Correct answer: Exchange gases with the environment
The respiratory system enables exchange of oxygen and carbon dioxide. Oxygen is taken in for cellular respiration, while carbon dioxide is expelled as a waste gas.
Practice all 20 Respiratory, Circulatory and Excretory Systems questions
Keep practicing
More Respiratory, Circulatory and Excretory Systems questions
- In humans, gas exchange occurs mainly in the:
- Hemoglobin is primarily responsible for transporting:
- Which blood vessel carries oxygenated blood from the lungs to the heart?
- The main pumping chamber of the human heart is the:
- Which component of blood is involved in clotting?
- The circulatory system primarily helps in: