Solved UPSC CDS/OTA Question
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Q · Respiratory System medium · 45s
The process of inhaling air into the lungs is called:
TopicRespiratory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Inspiration involves contraction of the diaphragm and external intercostal muscles, which increases thoracic cavity volume and decreases intrapulmonary pressure below atmospheric, causing air to flow into the lungs. It is one phase of ventilation, distinct from expiration.
Final Answer: Option C - Inspiration