Chapter 19: Respiration & Food Energy - Science Mcqs for Grade 7

Q.  When we inhale

a. the diaphragm is pushed upwards and the rib cage downwards
b. both diaphragm and rib cage are pushed downwards
c. the diaphragm is pulled downwards and the rib cage upwards
d. the diaphragm is pushed upwards and the rib cage is pulled downwards


ANSWER: See Answer
 
No explanation is available for this question!
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