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Sharks are able to maintain their fluids hypertonic to the ocean environment by accumulating:
(Choose One)
A. fluids in the rectal gland
B. fluid in the organ of Lorenzini
C. Calcium and phosphate
D. urea and TMAO
Solution
Ans D urea and TMAO
sharks store urea and TMAO ( trimethyl amine oxide). Urea is responsible for the metabolism of
different compounds in their body and help to excrete nitrogen out from their body.

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