Respiratory System Diagram Quiz

This labelled diagram quiz on respiratory System is designed to assess your knowledge on basics of respiratory system. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers. You can watch this video for better understanding.

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1. The space labeled 1 function to humidify, warm and filter inspired air is
pharynx
larynx
nasal cavity
oral cavity

2. This is the opening of the nose to the nasal cavity. The structure labeled 2 is
nose
nostrils
larynx
trachea

3.The part labeled 3 is a primary pathway for air intake and exhalation other than nose is
nasal cavity
oral cavity
trachea
pharynx

4. This is the common passageway for both air and food. The structure labeled 4 is
mouth
oral cavity
pharynx
larynx

5. The region labeled 5 has the vocal cords for speech is
larynx
pharynx
trachea
oral cavity

6. The windpipe that carries air to the bronchi, labeled 6 is
larynx
pharynx
trachea
oral cavity

7.Two tubes that branch off the trachea and lead to the lungs labeled 7 is
diaphragm
alveoli
bronchioles
bronchi

8.The most vital respiratory organ that exchanges oxygen and carbon dioxide with the blood labeled 8 is
lungs
alveoli
bronchioles
bronchi

9.The small fine tubes that branch off the bronchi and lead to the alveoli labeled 9 is
diaphragm
alveoli
bronchioles
bronchi

10. The muscle labeled 10 helps the lungs to expand and contract is
diaphragm
alveoli
bronchioles
ribs

Score =
Correct answers: