Question

how is urine regulate and produced in the body ?

Answer 1

it is regulated in the kidneys and it consists of ammonia and water

it is stored in urinary bladder and consists of waste water in the body and is discarded by penis through urethra

Answer 2

Generally the amount of water we intake will regulate the urine

biologically kidneys regulate and other than that a hormone named ADH (antidiuretic hormone).