Class 7 Science MCQs – Certification Test 86

How We Breathe MCQs (Question 86) – App & e-Book Download

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MCQ 86: When we inhale:

the diaphragm is pushed upwards and the rib cage downwards
both diaphragm and rib cage are pushed downwards
the diaphragm is pulled downwards and the rib cage upwards
the diaphragm is pushed upwards and the rib cage is pulled downwards

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