E. Application/skill based Questions The figure given below represents the organs of the human respiratory system (a) Label the structures indicated by numbers 1 to 8 (b) Give functions of organs represented by numbers 1,5, 7 and 8.
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Pulmonary ventilation- movement of air into and out of the lungs
External respiration- exchange of gases between the air and the blood in the lungs….oxygen diffuses into the blood, carbon dioxide diffuses into the lungs.
Transport- movement of gases from the lungs to the body cells and back, accomplished by the cardiovascular system.
internal respiration- exchange of gases between the blood and body cells…. oxygen diffuses into the cells and carbon dioxide moves into the blood.
Explanation:
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