Zoology - Excretory Products and their Elimination Question with Solution | TestHub

Marine birds (sea gulls) have salt glands which excrete large loads of salt eaten with their food and in the sea water they drink. As sea water contains about $3\%$ salt which is three times saltier than a bird's body fluids. One salt gland is located above each eye. Each gland consists of several lobes arranged in parallel. Salts are secreted into many radially arranged tubules then flows into a central canal that leads into the nose (nares).