what percent of your body is water?
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Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
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Jeffrey Utz, Neuroscience, pediatrics, Allegheny University, different people have different percentages of their bodies made up of water. Babies have the most, being born at about 78%. By one year of age, that amount drops to about 65%. In adult men, about 60% of their bodies are water.
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97% of the earth's water is found in the oceans (too salty for drinking, growing crops, and most industrial uses except cooling). 3% of the earth's water is fresh.
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Adipose tissue contains about 10% of water, while muscle tissue contains about 75%.
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Intracellular fluid (2/3 of body water) is fluid contained within cells. In a 72-kg body containing 40 litres of fluid, about 25 litres is intracellular, which amounts to 62.5%. Jackson's texts states 70% of body fluid is intracellular.
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Water Facts - Worldwide Water Supply Water covers about 71% of the earth's surface. 97% of the earth's water is found in the oceans (too salty for drinking, growing crops, and most industrial uses except cooling). 3% of the earth's water is fresh.
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Only about three percent of Earth's water is freshwater. Of that, only about 1.2 percent can be used as drinking water; the rest is locked up in glaciers, ice caps, and permafrost, or buried deep in the ground.
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Only 3% of the Earth's water is freshwater. Of that 3% majority of it is ice.
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To get the percentage of water in your body, assume 1 liter equals 1 kilogram and then divide your TBW by your weight. It's a simplistic estimate, but it will give you an idea if you're in a healthy range for percentage of water in your body.
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Answer and Explanation: In general, 60-70% of our body is made out of liquids. If we exclude gasses within our lung and digestive system from the equation then it can be safely assumed that approximately 30-40% of our body is solid.
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About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
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Answer and Explanation: Only a very, very, tiny portion of the water on Earth, about 0.3 percent, is in a form that is usable for humans and land animals.
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While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. The rest is saline and ocean-based. Even then, just 1 percent of our freshwater is easily accessible, with much of it trapped in glaciers and snowfields.
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Water is of major importance to all living things; in some organisms, up to 90% of their body weight comes from water. Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water.
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Total body water is 60% of body weight (40% intracellular and 20% extracellular). Plasma (blood) volume is 5% of body weight.
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Roughly 96% of the mass of the human body is made up of just four elements: oxygen, carbon, hydrogen and nitrogen, with a lot of that in the form of water. Are we breathing less than 50% of oxygen? How much oxygen is in our blood? What percent of oxygen does our body absorb during inhalation?
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But just how much water exists on, in, and above our planet? About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.