the kidenys control the balance of water and ions in the body by producing a fluid called urine.
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They do but urine is the waste by-product, produced as a result of the control. The water is initially taken into the body by the intestines..
The Kidneys
The brain controls water balance, body temperature, and the endocrine system.
Osmoregulatory organs besides the kidney play important roles in body fluid-ion balance.
Contractile vacuole
Kidney
a swim bladder
The urinary system remove waste from the body and helps maintain water balance. The nervous and endocrine systems regulate and control water balance.
Water balance is an important factor in maintaining homeostasis. Homeostasis is crucial to organ function which regulates blood water levels.
Hypothalamus
Water.
The brain controls body temperature, water balance, and sleep.
The part of the brain that controls the water balance is your hypothalamus, and you can even look it up, because I got it from my science teacher!
Both the skin and the kidneys have the job of maintaining water balance in your body.