7.0. Introduction 7.1. Feeling Hungry. 7.2. Taste and Smell are Closely Related. 7.3. Mouth- The Munching Machine. 7.3.1. Action of Saliva on Flour 7.3.2. Testing pH of Mouth at an intervals of One Hour 7.4. Travel of Food through Esophagus 7.4.1. Peristaltic movement in Esophagus 7.5. Stomach – the mixture and Digester 7.5.1. Travel of Food from the Stomach to the Intestine 7.5.2. Expulsion of Wastes
1 - Nutrition 2 - Respiration – The Energy Releasing System 3 - Transportation – The Circulatory System 4 - Excretion – The Wastage Disposing System 5 - Coordination – The Linking System 6 - Reproduction – The Generating System 7 – Coordination in Life Processes 8 – Heredity – From Parent to Progeny 9 – Environment – Our Concern