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Osmoregulation and Excretion
Osmoregulation, the control of water balance in animals, and excretion, the bodys waste disposal system, are closely related processes. In this Lesson, well look at how animals regulate the concentration of their body fluids, and how waste materials are excreted by mechanisms of active transport.
Well go on to examine different kinds of excretory systems: flame cells, Malpighian tubules, nephridia, and vertebrate kidneys. The most complex and compact excretory systems are those in the vertebrate kidney. Well look in depth at the human kidney and its filtration system. Well also study how hormones regulate kidney function and water balance in the body.
Well finish by looking at some of the causes of kidney failure, along with their treatments.