Question

How is the amount of urine produced regulated?

Answer 1

Answer:

The amount of urine largely depends on the amount of water reabsorbed.The amount of water reabsorbed by nephrone tubule depends on

#How water in excess is in the body removed.When water is abundant in the body tissues ,large quantities of dilute urine is excreted out.When water is less in quantities in the body tissues ,a small quantity of concentrate urine is excreted.

#How much dissolved waste ,especialy nitrogenous waste like urea and nitric acid and salts to be excreted from the body.When there is more quantity of dissolved waste in the body ,more quantity of water is required to excrete them.So the amount of urine produced increases.

#The amount of urine produced is also regulated by certain hormones which control the movement of water and sodium ions into and out of the nephrons

Answer 2

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The amount of urine produced highly depends on the amount of excess water or water reabsorbed, also in the dissolved wastes present in the body. When there is excess water in the body, quantity of dilute urine excreted out is high. If water is not in excess, a very small quantity of concentrated urine is excreted. More quantity of water is required to be excreted when the quantity of dissolved wastes is more in the body. Hence the quantity of urine production increases. Urine produced also depends on the following factors:

1. Anti-diuretic hormone (ADH)
2. Habitat of an entity