Cartilage, found in joints and the disks of the spine, contains around 80 percent water. Long-term dehydration can reduce the joints’ shock-absorbing ability, leading to joint pain.
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Saliva helps us digest our food and keeps the mouth, nose, and eyes moist. This prevents friction and damage. Drinking water also keeps the mouth clean.
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Blood is more than 90 percent water, and blood carries oxygen to different parts of the body.
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Water that is stored in the middle layers of the skin comes to the skin’s surface as sweat when the body heats up. As it evaporates, it cools the body.
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Water is needed in the processes of sweating and removal of urine and feces.
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It helps maintain blood pressure
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