The rate of breathing of a child of 5 years is about:
Correct answer: C. 25 times/minute
- A. 44 times/minute
- B. 40 times/minute
- C. 25 times/minute
- D. 20 times/minute
Explanation
The breathing rate decreases with age. Some average breathing rates are given below: 2-5 years= 25-30 breaths/min 5-12 years= 20 to 25 breaths /min >12 years= 15 to 20 breaths/min Option C is most suitable here, as 25 breaths/min falls between the first two age groups given.
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About Human Respiratory System
The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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