User:Wri1ne2b

short notes by: suvash

Ammonia: Three main waste products of Nitrogenous metabolism are: ammonia,urea and uric acid. Ammonia is derrived from the break down of the proteins and nuclic acid in the body. It is very toxic and never allowed to accumulate witin the body tissue or fluids. It is extremely soluble and diffuses readily across cell membrane. It is the main excretory product of marine invertebrates and all the fresh water animals.

 Uric Acid The synthesis of uric acid spends more energy than Urea ,but it is advantageous to many animals. It is insoluble ,non-toxic and requires very little water for removal from the body a suitable product for animls in desert places.