Respiration is the process by which we breathe air through the nose into our lungs while breathing in our body and then expel carbon dioxide. Other main parts of this system include a series of airways to facilitate air passage, blood vessels, and muscle breathing. The main organs of the respiratory system in humans (nose, throat, food in the abdomen, trachea, bronchi, lungs). Inhalation of oxygen-rich air in the body during breathing is called. So let's start this quiz and know about Respiration in Humans.
1. ... is not part of the upper respiratory system in humans.
A. Eye
B. Pharynx
C. Larynx
D. Trachea
2. A person usually breathes an average of ......... pints of air every minute.
A. 15
B. 13
C. 11
D. 09
3. The air we breathe contains .........percent oxygen.
A. 25%
B. 23%
C. 21%
D. 19%
4. Each lung has approximately .... million balloon-like structures.
A. 500
B. 300
C. 100
D. None of the above
5. The area between the lungs is called...
A. Pleura
B. Hilum
C. Mediastinum
D. Thoracic cage
6. The sternal angle is also known as...
A. Scapula
B. Xiphoid process
C. Angle of Louis
D. Suprasternal notch
7. The Respiratory system is made up of trachea, ............, and the Diaphragm.
A. Lungs
B. Liver
C. Esophagus
D. Pancreas
8. The trachea is also known as...
A. Windpipe
B. Bronchus
C. Diaphragm
D. None of the above
9. Air enters your lungs by the .....
A. Trachea
B. Alveoli
C. Esophagus
D. None of the above
10. ... lungs do a human have.
A. Five Lungs
B. Two Lungs
C. Six Lungs
D. Three Lungs
11. ... is the primary gas exchange site.
A. Alveolus
B. Trachea
C. Bronchiole
D. Bronchus
12. Which of the following is a part of the brain detects the amount of CO2 in the blood?
A. Tectum
B. Cerebellum
C. Medulla oblongata
D. None of the above
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