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so that it can function properly. your brain is 85% water and if you dont drink lots of water then you will not think straight and you wont function properly
The rice needs to absurd water to get bigger or it would burn
Examples: lipids, hydrocarbons, proteins, water, oxygen, vitamins, enzymes etc.
In terms of nutritional health needs a human body needs carbohydrates, proteins, fats, vitamins, minerals and of course, water to grow and function properly.
Roots need to be wet in order to function properly because water is essential for the absorption of nutrients. When roots come into contact with moisture, they are able to take up water along with dissolved nutrients through their root hairs. The water also helps to maintain turgor pressure, which gives the roots the necessary rigidity to anchor the plant in the soil.
Water is a nutrient despite the fact that it isn't food because it has functions that the body needs. The body's cells, for example, will not function without hydration from water itself. In order to properly use the assimilated and absorbed key nutrients on a cellular level, the body needs water to help transport them and continue the metabolism/energy cycle.
Your whole body, including you brain, needs water to function or else you'll become dehydrated.
No you cannot. Your body needs to absorb energy from somewhere (food) and needs to get water so your brain and pretty much every other part of your body can function properly.
Straving for 5 days (for whatever reason, mental, religious, ect.) is not good. The body needs food and water to stay alive, healthy, and to function properly.
Dehydration
Because water needs air like a cell
dehydration