Question

Statement A-During exhalation, the diaphragm relaxes while the lungs contract and carbon dioxide comes out.Statement B-During inhalation, the diaphragm contracts while the lungs expand, and oxygen moves in.i.Both statement ‘A” and ‘B’ are True.ii.Both statement ‘A’ and ‘B’ are False.iii.Only statement ‘A’ is True.iv.Only statement ‘B’ is True.

Answer 1

both statement A and B are true