Question Bank Respiratory System - Testlabz.com

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Biology Class-IX 1 Question Bank Question Bank Respiratory System 1. Name the following : (i) The condition in which the oxygen supply to the respiratory system is cut off. (ii) The membrane enveloping the lungs. (iii) The part of the tidal air that effectively takes part in the gaseous exchange in the lungs.

  System, Respiratory, Exchange, Biology, Respiratory systems, Gaseous, Gaseous exchange