It is necessary to drink water because it keeps the body hydrated and healthy. The human body depends on water to survive.
because the persons want to drink plenty of water
It is important to drink water to keep hydrated. The human body is mostly water, so it is necessary to drink enough water to stay healthy.
To avoid dehydration.
As often as is necessary.
Give water to drink. You may give small quantities in installments if that is necessary.
yes, will deplete some necessary electrolytes
Almost anything that is in the ground your well is drilled into, will be in your water in minute quantities. -This is why it is necessary to get a sample of water tested if you are intending to drink it.
They get moisture from their food - also they will (if necessary) seek out pools, streams etc to drink from.
The body requires two litres of water per day (equivalent to 8 glasses). However, most of this water is taken in the food one eats, so it is not necessary to drink 8 actual glasses of water. If you are on a diet, and so taking in less water from food it will be necessary to increase fluid intake to compensate.
How may humans have you seen drinking continually? If it were necessary, we would have graduated from using our mouths to having a drip inserted in to us. Also, do some research on water intoxication.
It keeps the body hydrated, helps promote elasticity in skin cells, help in avoiding water retention in the body (the more water you drink, the less you retail), and rids the body of a false sense of hunger.
to every living thing it is necessary. I think whoever asked this question should try to see what would happen if they DIDN'T drink water - it's necessary for our survival. OF COURSE IT'S HEALTHY!!