AP BIOLOGY

Detailed explanation-1: -Excretion is the process by which the body eliminates waste products and the nitrogenous by-products of metabolism. Through excretion, organisms control osmotic pressure, the balance between inorganic ions and water, and maintain acid-base balance.

Detailed explanation-2: -Excretion involves the separation and elimination of metabolic waste products from the body. Various organs are involved in this process: the lungs, gills, skin, etc. The kidneys and their ducts are the major full-time excretory organs and comprise the excretory system.

Detailed explanation-3: -Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs.

Detailed explanation-4: -The kidneys remove metabolic waste products and foreign particles from the body, as well as maintain the water volume and the concentration of various ions within the body. Urine formed within the kidneys passes through the ureters into the bladder, where it is held until it is excreted from the body.