Question

major component of urine is​

Answer 1

It consists of water, urea (from amino acid metabolism), inorganic salts, creatinine, ammonia, and pigmented products of blood breakdown, one of which (urochrome) gives urine its typically yellowish colour.

Answer 2

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Urine

liquid

or semisolid solution of metabolic wastes and certain other, often toxic, substances that the excretory organs withdraw from the circulatory fluids and expel from the body. The

of urine tends to mirror the water needs of the organism. Freshwater animals usually excrete very dilute urine. Marine animals tend to combat water loss to their salty

environment

by excreting concentrated urine; some develop methods actively to expel salts. Terrestrial animals, depending on their habitat, usually retain water and secrete a highly concentrated urine.