Water needs to be reabsorbed when the body is dehydrated and needs to replenish its water level. Anti diuretic hormone stimulated the reabsorption of water from waste products in the body. Water is very essential to health and its important to take about 8 cups of water daily. You could read more about water and health.. http://tinyurl.com/qebv44g
No, if your body need more water, you have to give it. But be carefully it's not god if your body will receive more water then it need for healthy life.
You need water because 75% of your body is water and without water your body would stop working.
they all need water
because some of your body is water.
they all need water
You need water because your body is mostly water
Because they do not sweat as much in the winter than they do in the summer.
you need the fluid from water to pump blood through your body
ADH works to reabsorb water from the lumen of the collecting ducts in the kidneys back into the interstitial space. As a result, high levels of ADH will result in higher concentrations of aquaporin-2 on the luminal membrane, allowing for H2O reabsorption in the otherwise-H2O-impermeable collecting ducts. As a result, the urine will be more highly concentrated due to the loss of water (back into the blood), reaching an osmolarity of around 1400 mOsm maximum. In dehydration, ADH levels are high (enables the body to retain more water) and in over-hydration, ADH levels are low (no need for the body to retain water, hence increased micturition)
Yes
That would be the ocean ... or if you need more detail then that the pacific ocean.
During warm and hot weather your body perspires as a mean of keeping cool and the water lost due to perspiration needs to be replaced.