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Science · 2026 · 2 marks
CBSE 2026 · Region 1 · Set 1 · Q10
What is the function of diaphragm in human respiratory system ? Where is it present in human body ?
Marking-scheme solution
The main function of the diaphragm is to flatten during inhalation, which expands the chest cavity and draws the air into the lungs / helps in breathing.
It is located at the base of chest cavity.
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CBSE Class 10 Science past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.