Excretion is elimination of metabolic waste, which is an essential process in all organisms. In vertebrates, this is primarily carried out by the lungs, kidneys, and skin. [1]

4 days ago · Excretion is a general term referring to the separation and throwing off of waste materials or toxic substances from the cells and tissues of a plant or animal.

Excretion is the process of removing wastes and excess water from the body. It is an essential process in all living things, and it is one of the major ways the human body maintains homeostasis. It also …

Nov 20, 2025 · Excretion is the process by which an organism removes the waste products generated by its metabolism. These wastes are chemical by-products of cellular activity, such as the breakdown …

Nov 28, 2025 · Excretion is the biological process by which organisms eliminate metabolic wastes such as urea, ammonia, CO₂, excess water, and salts. Humans excrete waste through kidneys, lungs, …

Excretion is the biological process through which animals eliminate waste products generated from metabolic activities. This process is essential for maintaining homeostasis, as it helps to regulate the …

: something eliminated by the process of excretion that is composed chiefly of urine or sweat in mammals including humans and of comparable materials in other animals, characteristically includes …