Because of their underdeveloped kidneys.
(this is not an answer its just to go into further detail what im looking for) Oh and to go along with the question i know that it has to do with an active secretion of a solution that is basically sodium chloride from the rectal gland in the kidneys. But im still confused how that causes the salt to be removed from the blood and exit the body in the sharks urine.
megalodon sharks, great white sharks, frilled sharks, thresher sharks, tiger sharks, sand tiger sharks, lemon sharks, bull sharks, whale sharks, basking sharks, lepord sharks,black tip sharks. there is 12.
The adrenal glands are located on top of the kidneys.
Kidneys
Nurse Sharks, Lemon sharks and Hammerhead Sharks
The shape of your kidneys resemble the shape of the kidney bean.
Tina Anton has written: 'Sharks, Sharks, Sharks' -- subject(s): Juvenile literature, Sharks 'Sharks, Sharks, Sharks (Real Reading)'
No, kidneys are organs.
no they don't have kidneys
There are three species of sharks known to eat starfish. These sharks are the Nurse sharks, Horn sharks and Port Jackson sharks.
Mako sharks, thresher sharks and Great white sharks