Class 7 NCERT • Curiosity Science Portal
Ch 09: Life Processes in Animals
Select a topic or study module below to explore the human alimentary canal, digestion in ruminants and birds, breathing and lung alveoli, cellular respiration, NCERT solutions, and quizzes.
Topic 01 • Mouth & Saliva
Animal Feeding Modes, Alimentary Canal, Mechanical Chewing & Saliva-Starch Iodine Test
Topic 02 • Human Digestive Tract
Peristalsis, Stomach Acid & Mucus, Liver Bile, Pancreas, Small Intestine Villi & Egestion
Topic 03 • Digestion in Other Animals
Grass-Eating Ruminants (Chewing Cud / Rumination) & Bird Gizzard with Grit Stones
Topic 04 • Breathing & Lungs
Nostrils, Windpipe, Lungs, Ribcage & Diaphragm Model + Exhaled CO₂ Lime Water Test
Topic 05 • Respiration & Circulation
Alveoli Gas Exchange, Breathing vs Cellular Respiration & Gills, Skin and Lungs in Animals
Module 06 • Solutions & HOTS