Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Practical Guideline - Animal Life
To demonstrate the mechanism of breathing (inhalation and exhalation) using a bell jar model and compare it with human lungs.
Clear understanding of the physical mechanism of breathing, demonstrating how changes in thoracic volume and pressure lead to air movement into and out of the lungs.
/Practical-Guidelines/Class-9/Class_IX_Animal_Life_Breathing_Mechanism.mdx