renal vein
Water can be filtered down to the aquifer, which feeds the source of our wells. Many communities are using wetlands to do this. See related links. Answer nature can't clean its water scientist can clean it better and that is how our water is filtered
All glaciers and icebergs are made of freshwater. Glacial melt water is better for you because it is freshwater, which is clean and pure unlike the water from some rivers or the sea which have to be filtered.
mucous and nose hair.
Water is not the same as dinosaur pee. While it is true that all water on Earth has been recycled countless times, including through the processes of evaporation and condensation, it undergoes purification through natural filtration systems such as rivers, lakes, and groundwater to become safe and clean for consumption.
Try soaking it in pure filtered reverse osmosis water. It will remove any gunk on it. If you dont have a reverse osmosis water filter, look for a place that sells water like water mart or similar place that uses reverse osmosis to purify their water. I use this water to remove stains out of carpets and to clean glass with no streaks. It works.
Blood is filtered by kidneys, lymphatic vessels etc and lastly oxygenated by the lungs. Once passed through the lungs passes into the heart by the vena cava and the heart pumps the blood back out via the aorta to the rest of the body.
No it's not ! It's filtered through hygienically clean, artificial filters.
It has been filtered through many natural and artificial processes.
All waste water travels to a water treatment site through underground pipes and is filtered clean before being released.
I am fairly sure they used clean rags and things and filtered their water through that as many times as they felt it was required, and then drank the water.
to clean dirty water it needs to be cleaned or filtered
Categorically, yes.
Because it is filtered by the earth
water is filtered in large machines, and takes 72 hours to clean, and then gets bottled, and sold.
Air inhaled through the mouth is not as clean as air inhaled through the nose. Reason for this is that when we inhale air through our nose than it get filtered by hair present in our nose. But air inhaled through our mouth goes directly in without any filtration.
Water can be filtered down to the aquifer, which feeds the source of our wells. Many communities are using wetlands to do this. See related links. Answer nature can't clean its water scientist can clean it better and that is how our water is filtered
yes, the water here is filtered