Without water there would be no life on earth, it is a vital topic. The body is 60% water and water is often reffered to be in compartments. This is not really about the concrete chambers to discuss but this division is only for convenience. Water is distributed throughout the body, but somewhat uneven between tissues. Examples of a few huge water tissue catagories and bone tissue that contains little water are: Lungs: 90%, Blood: 82%, Skin: 80%, Muscles: 75%, Brain: 70%, Bones: 22%
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In broadly fluid compartments in the human body can be divided in two main compartments that are in under compartments. The intracellular fluid contains 60-65% of the body water, and the extracellular fluid that is 35-40% of the water.
Intracellular fluid is inside the double membrane of the cells and cell organs wander in the cells. Part of the intracellular fluid is within the cell organs. A man that is 70 kg there is an average of 28 liters of water in the intracellular fluid.
Intracelluar fluid is the main solution of calcium ions and organic anions, proteins, and more. This fluid is normally in osmotic balance with the extracellular fluid. The chemical composition of the intracellular fluid is not identical in all cells but it goes by their activities.
Any liquid that is not considered within the cells is considered extracellular fluid. It is one third of the water in the body. The chemical composition of it is mostly natriumchlorid- and natriumbikarbonat.
Outside the cell membrane, a cell is surrounded by a so-called interstitial fluid belonging to the extracellular fluid. Between the cell and the interstitial fluid an exchange of ions, proteins and nutrients take place. In a 70 kg man is interstitial fluid approximately 10.5 liters.
Interstitial fluid is in constant renewal, and it is collected in the lymphatic vessels and the liquid within is called lymph.
Water plays a variety of roles and is essential to man and other organisms. The daily loss of water in the body is about 2-2.5 liters. The role of water is to export waste ,that is produced by metabolism, with excretion from the body. Water loss can also be lost by sweat and faeces. Water admission must be taken to meet this loss. . A person can live without food for up to a month, but only 5-7 days without water.
Remember that two-thirds of the body is water and we lose about 2-2.5 liters daily. It is recommended to drink 6-8 glasses of water a day. It is 2 liters. We need to drink more water in hot weather and physical activity. When we exercise, the body can lose quite a bit of fluid through sweat. Mild symptoms of dehydration may occur for example, dizziness, weakness and fatigue. It is important to improve the dehydration and drink water and also drinks containing sodium and potassium for example juice. Generally, it is best to meet the water requirements by drinking water. Coffee and drinks with caffeine are not good water sources where the substances, hurry the urine process and push the loss of water from the body. Sugary drinks are unfortunate because they are energy rich and often contain additives. Various foods also contain water. Vegetables and fruits contain a lot of water. Fresh juices are water rich and healthy but they are also energy prevails. Some of the water is in most foods. Most experts believe that cold water is better where the stomach absorbes cold water faster than warm. There are also some studies that suggest that cold water is more fatburning. Warm water is easier to drink in large quantities. Drink the water just at the temperature you feel best.
Dehydration: If the body gets too little fluid or loses a lot of fluid to illness, it risks dehydration. The main symptoms of dehydration are dry mouth, thirst, low urine output, dizziness, headache and malaise. Serious symptoms of dehydration include a low blood pressure, rapid heartbeat, no urination, sunken eyes and lethargy. If you drink a very large amount of clean water can the concentration of sodium in the blood can dropp. Hyponatraemia causes symptoms such as weakness, confusion and seizures.
Tears: Are water containing salts, a little mucus and bacteria, named lysozym. Tears clean, lubricate and keep the eyes wet and do thereby prevent them from drying out, although they are in contact with dry air.
Sweat: Is a liquid that appears in the sweat glands in the skin. The sweat comes out on the surface, especially with exertion, mental stress and heat and by that it participates in the regulate body temperature. Sweat contains dissolved salts and waste products from the body. The main role of sweat is involved in regulating body temperature, but also part of the excretion of the body, that is dumping the waste.When body temperature rises it irritates special sensors in the skin. When the temperature sensors feel this irritate they send message to the brain(Thermostat bases). The thermostat bases responds by sending nerve impulses to the sweat glands stimulated with this message and generate more sweat. With the sweat steams from the surface of the skin it loses its heat and cools where evaporation requires energy.
Saliva: The saliva contains various materials. First of all water, a total of 99.5% of the volume of saliva. The water moisters and dissolves the food and with that allowing your taste buds to taste it. The other 0.5% of saliva contains various dissolved substances.
Organs:
The kidneys: Play a key role in maintaining the body's fluid balance and rid it of waste. The kidneys filter water and waste products from the blood and return most of the water back into the bloodstream. Special cells, kidney cells, remove waste products (urean and other substances) from the blood. Filtered substances pass through fine tunnel in the kidneys. Waste materials og to the bladder and og out of the body as urine, the water that the body egenerative goes back into the bloodstream. Kidneys care to preserve and manage fluid balance and maintain the water balance of the blood to normal. Cells called Osmoreceptor ensure that salt and water levels are in balance. If body water decreases for instance or when we sweat or it is hot and the blood becomes too saltythe osmoreceptor that is located in the hypothalamus sends signals to the brain to increase the production of urine absorbs hormones. Then the body releases less water in the urine and reuse water and the water increases again. We need to urinate less and the urine will be darker, no water is wasted.
If we drink to much water and thin the blood, the Osmoreceptor sends a message about production of urine absorb hormones. Consequently the kidneys take up more water to the bladder and there is less recovery. We need to urinate more often and your urine is clear. The color of urine is a good indicator of the amount of water in the body. Thirst is not the best indicator of hydrological body. If the water supply is fine then the urine should be pale yellow or almost clear in color. Dark yellow or brown urine, however, is a sign that the body is missing water. Water is important for renal function and the release of chemicals from the body.
Liver: The liver plays an important role in detoxification of the body. Water are very important so organs work well. The liver cleanses the blood.
Blood: Divided into plasma and blood cells.
The plasma is about half the blood. It is a viscous, colorless liquid mostly water. Minerals, sugars, proteins and hormones are also in the plasma. It leaks in the capillaries and passes to all cells.
Pollution: The life in the ocean is an important source of food for humanity and fishing is often the most important industry in coastal communities, even entire nations. Marine pollution can have a profound impact. Changes in the composition and the marine environment does not just affect the fishing and the performance of people, but in fact all life on earth. Many contaminants are a serious threat to the health of those who consume seafood contaminated by this material.
Hand Washing: By washing hands with soap you prevents many diseases more effective and it is cheaper than most other resorts. It is believed that hand washing can reduce the incidence of diarrhea by up to 50% and the respiratory organs disease about 25%. According to the latest figures from UNICEF 2.3 million children die annually from these two main causes of child mortality in the world.
Combustion: When the energy in the food is used in the cells released it in exactly the same way the cells plants and animal cells. The energy released unleashed the combustion. The combustion intracellular glucose disperse carbon dioxide and water. The energy that was bound to glucose, released them and it can become kinetic or thermal energy. The combustion in the cells is called cell respiration and also the process can be displayed in this way: glucose + oxygen-carbon dioxide + water + energy