The normal breathing rate in human being is:

A ) 10–40 times per minute

B ) 16-20 times per minute ✅

C ) 30-40 times per minute

D ) 5–10 times per minute

Related Questions
  1. The process of gaseous exchange involves:
  2. A disease involving the breakdown of air sacs of the lungs is;
  3. Most of the gaseous exchange in a leaf occurs through:
  4. The inflammation of bronchi or bronchioles is called:
  5. What type of blood vessels surrounds the alveoli?
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