Question

Marine birds like albatross spend their life on the sea. That means water they drink is salty ! how they manage osmoregulation then ?​

Answer 1

Explanation:

Nature has devised a brilliant desalination mechanism for sea dwellers. When an albatross drinks seawater, the fluid first enters its bloodstream. Above its eyes on the left and right are salt glands containing thousands of tiny capillaries called tubules. Each tubule is covered in a multitude of thin blood vessels. Desalination occurs as a countercurrent exchange: Following the concentra­tion gradient, the salt travels from the blood vessels and through the membranes of the tubules, which already contain a higher concentration of salt. The tubules store a secretion that consists of 95% salt. This salty secretion then flows through a duct toward the tip of the beak, where it is exhaled as a fine mist.