body made of how much water
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The human body contains nearly 90 percent of water. - True or False?? Water is of major importance to all living things; in some organisms, up to 90 percent of their body weight comes from water. Up to 60 percent of the human body is water, the brain is composed of 70 percent water, and the lungs are nearly 90 percent water. About 83 percent of our blood is water, which helps digest our food, transport waste, and control body temperature.
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How Does Hydration Affect Metabolism? Water makes up 78 percent of body weight in newborn babies, but by the end of their first year, that percentage has dropped to 65 percent. Since fat tissue has less water than lean tissue, adult women with higher levels of body fat have less water than adult men.
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- Answer: Most of the human body is made up of water, H 2 O, with cells consisting of 65-90% water by weight. Therefore, it isn't surprising that most of a human body's mass is oxygen. Carbon, the basic unit for organic molecules, comes in second.
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How Much of Your Body Is Water? The average adult human body is 50-65% water, averaging around 57-60%. The percentage of water in infants is much higher, typically around 75-78% water, dropping to 65% by one year of age.
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About Body Water Fat tissue has a lower percentage of water than lean tissue and women tend to have more fat, so the percentage of body weight that is water in the average woman is lower (52 to 55%) than it is in the average man (60%).
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What percentage of water is present in our blood? Answer: The amount of water in the human body ranges from 50-75%. The average adult human body is 50-65% water, averaging around 57-60%.
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Water Percentage of water in human body. Like all living tissues, our body contains water in various amounts: - 75% for a baby. - 70% for one child. - 60% for an adult. ( diagram: percentage of water in human body )
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The Ideal Water Weight for a Woman's Body The human body is more than 50 percent water, although the exact percentage varies, based on a number of factors, including gender, age and body composition. Women tend to have a lower percentage of water weight than men, with an average of 52 to 55 percent, compared to an average of 60 percent for men.
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Born Wet, Human Babies Are 75 Percent Water. Then Comes The Drying Our brains, lungs, heart, liver and kidney contain the wettest tissue — between 65 and 85 percent water. Bones, of course, are dryish, (but still 31 percent water.) There's also water between cells, but only a small fraction of our H 2 O is blood. Most of the water inside us is stored, not in our veins, but in our 100 trillion teeny cells. We are an assemblage of water packets, slightly salty, like the sea we came from.
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- On average, body water can account for 50% of the total human body weight and it is significantly higher in newborns. Obesity decreases the percentage of water in the body. Body water is regulated by hormones, including anti-diuretic hormone (ADH), aldosterone, and atrial natriuretic peptide.
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The water in you By one year of age, that amount drops to about 65%. In adult men, about 60% of their bodies are water. However, fat tissue does not have as much water as lean tissue. In adult women, fat makes up more of the body than men, so they have about 55% of their bodies made of water. Thus: Babies and kids have more water (as a percentage) than adults.
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- The entire amount of water in a woman's body may be 38 to 45 liters, and for a man, 42 to 48, he says. Dehydration means that for a period of time, you have lost part of that water. It's a matter of whole-body balance.. Because no one is volunteering to wring out the shorts of sweaty gym-goers, dehydration is typically measured instead by the percentage of your body weight you've lost, he says.
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Water Facts * The human body is more than 60 percent water. Blood is 92 percent water, the brain and muscles are 75 percent water, and bones are about 22 percent water. * A human can survive for a month or more without eating food, but only a week or so without drinking water.
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How much water is our body made up of? RNA..................1.0% .......3 x 10-5 %. DNA..................0.1% .......3 x 10-11 %. By weight, we are 65% water, 20% protein, 12% fats, and a few incidentals on top of that. By number of molecules, we are pretty much entirely water.
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How much water is in the human body The total amount of water in our body is found in three main locations: within our cells (two-thirds of the water), in the space between our cells and in our blood (one-third of the water). For example, a 70-kg man is made up of about 42L of total water.
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What percentage of water is present in our blood? The percentage of water varies according to your age and gender. Here's a look at how much water is inside you. Answer: The amount of water in the human body ranges from 50-75%. The average adult human body is 50-65% water, averaging around 57-60%. The percentage of water in infants is much higher, typically around 75-78% water, dropping to 65% by one year of age. Body composition varies according to gender and fitness level, because fatty tissue contains less water than lean tissue.
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What percentage of your body is water? The average human body is estimated to be about 60 to 70 percent water. The percentage may be as high as 75% in infants, decreasing to 57-60% in adults.
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500+ Amazing Human Body Facts and Trivia Some fun facts about water and the human body: 1  Adult bodies are about 50 to 65 percent water. 2  A child’s body has a little more water at 75 percent. 3  The human brain is about 75 percent water.
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The human body contains nearly 90 percent of water. - True or False?? From wikipedia: For example a cell of Escherichia coli contains 70% of water, a human body 60-70%, plant body up to 90% and the body of an adult jellyfish is made up of 94–98% water. Source(s): http://en.wikipedia.org/wiki/Water#Effec...
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The water in you 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. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
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- That’s because: 1  Your body is more than 60 percent water. 2  The cells in your body that make up your skin, heart, lungs, and muscles (and everything else) require water to maintain their size and shape. 3  Water helps regulate your body temperature.
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What percentage of your body is water? Water or fluids that contain water fill virtually every cell and the spaces between them in the body. Water accounts for approximately 60 to 70 percent of the total body weight in a normal adult, making it the most abundant constituent of the human body. 4 people found this useful.
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How much water is in the human body In fact, our billions of cells must have water to live. The total amount of water in our body is found in three main locations: within our cells (two-thirds of the water), in the space between our cells and in our blood (one-third of the water). For example, a 70-kg man is made up of about 42L of total water. 28 litres is intracellular water.
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What percentage of the human body is water? 1 vote Vote for this answer. The dreaded 'more information than you need'. Percentage of water making up tissues, organs, fluids and bone in the human body: Brain 75%, Heart 75%, Lungs 86%, Muscle 75%, Liver 85%, Kidney 83%, Bone 22%, Blood 83%, Saliva 95%, Perspiration 95%. http://www.sumeria.net/oxy/o3.html.
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Water â a vital nutrient The human body can last weeks without food, but only days without water. The body is made up of 50 to 75 per cent water. Water forms the basis of blood, digestive juices, urine and perspiration, and is contained in lean muscle, fat and bones. As the body can’t store water, we need fresh supplies every day to make up for losses from the lungs, skin, urine and faeces (poo).
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- The adult human body contains approximately 60% water, and so makes up a significant proportion of the body, both in terms of weight and volume. Water content can vary from a high 75% in a newborn infant to a lower 45% in an obese person. (These figures are necessarily statistical averages).