Solved UPSC CDS/OTA Question
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Q · Respiratory System Medium · 45s
What muscle plays a major role in the process of inhalation?
TopicRespiratory System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The diaphragm is the main muscle of respiration. During inhalation, it contracts and flattens, increasing the volume of the thoracic cavity and drawing air into the lungs.
Final Answer: Option C - Diaphragm