The advantage of excreting wastes as urea rather than as ammonia is that A)urea can be exchanged for Na+. B)less nitrogen is removed from the body. C)urea elimination does not affect the osmolar gradient. D)urea requires less water for excretion than ammonia. E)urea is more toxic than ammonia so the animal can get rid of toxic substances easier.

The advantage of excreting wastes as urea rather than as ammonia is that A)urea can be exchanged for Na+. B)less nitrogen is removed from the body. C)urea elimination does not affect the osmolar gradient. D)urea requires less water for excretion than ammonia. E)urea is more toxic than ammonia so the animal can get rid of toxic substances easier.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter15: Fluid And Acid-base Balance

Section: Chapter Questions

Problem 3TAHL

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