Life Processes – Nutrition, Respiration, Transportation & Excretion

Life processes are the basic biological activities necessary for maintaining life in living organisms. These processes help organisms obtain energy, transport materials, remove wastes, and perform essential body functions. From digestion and breathing to blood circulation and excretion, life processes are continuously happening inside our body.

In this detailed guide, we will understand nutrition, respiration, transportation, excretion, human digestive system, respiratory system, circulatory system, plant transport, excretion in humans, and important diagrams, examples, and exam-focused questions.