Life Process-4 Excretion Excretion: Removal of all harmful, unwanted products (especially nitrogenous wastes) from the body of an organism is called excretion. Different organisms use various strategies to perform the process. For example- Many unicellular organisms remove wastes by simple diffusion from the body’s surface into the surrounding water. The process of excretion is very important as these waste substances include CO2, water, urea, uric acid, and ammonia can be harmful if not removed from the body. The excretory system is primarily associated with the removal of nitrogenous wastes in…
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