Q. How is the amount of urine produced regulated?
The amount of urine largely depends on the amount of excess water or water reabsorbed and also dissolved wastes present in the body. When excess water in the body is more, large quantities of dilute urine is excreted out. On the other hand if the excess water is less, a small quantity of concentrated urine is excreted. When there is more quantity of dissolved wastes in the body, more quantity of water is required to excrete them. As a result of which, the urine produced increases.
The amount of urine produced also depends on some other factors like:
(a) Habitat of an organism
(b) Anti-diuretic hormone (ADH).