Class 7th Science Session 2022-2023
Class 7 Science Important Syllabus Questions Answers
NCERT Books Class 7 science Questions
NCERT based sample Questions
During exhalation what happens with the ribs?
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Class 7th Science Session 2022-2023
Class 7 Science Important Syllabus Questions Answers
NCERT Books Class 7 science Questions
NCERT based sample Questions
During exhalation, the ribs move down and inwards.