Antidiuretic hormone and aldosterone slow down fluid loss from urine. The antidiuretic hormone will do this by allowing water in the urine to be taken back into the body in a specific area of the kidney. This allows more water to return to the bloodstream which in tur means urine concentration will rise and water loss will be reduced. Aldosterone’s main role in the body is to regulate blood pressure in the body by acting on the kidneys and colon to increase the amount of sodium reabsorbed into the bloodstream and the amount of potassium removed in the urine. Aldosterone also causes water to be reabsorbed along …show more content…
One way in which it does this is by increasing the glomerular filtration rate which results in an increase of sodium and water being filtrated and excreted. It also acts as the opposite to aldosterone when it comes to acting on the kidney by increasing sodium loss as opposed to aldosterone increasing sodium reabsorption. Atrial natriuretic peptide will also inhibit the production of aldosterone by inhibiting renin secretion. This will have the effect of increasing the flow rate of urine and in turn decrease the amount of water in the body.
Water is saved and lost in the body for a variety of reasons, the main ones being dehydration, water overload and exercise or injury.
Water overload and exercise and injury will increase the rate the body loses water. When the body experiences a water overload in will work in the opposite way to when it experiences dehydration and increase blood pressure and also increase the glomerular filtration rate so that more water is lost in urine. When going through rigorous exercise and one hyperventilates in an attempt to increase the oxygen required in the body water vapour will be lost through the