Definition of water


  • 1 Definition of water
  • 2 Water is the basis for starting life
  • 3 The importance of water to different beings
  • 4 The role of water in the emergence of civilizations
  • 5 The importance of water to human health
    • 5.1 Benefits of drinking water for humans
    • 5.2 The recommended amount to drink water
  • 6 facts about water
  • 7 Videos about the importance of water
  • 8 References

Definition of water

Water is defined as one of the natural renewable resources on this planet, and it is one of the basic elements on the earth, and one of the most important things that makes it unique from others as a chemical compound is its stability; since the amount of water that is on the earth at the present time is the same amount of water that has been since God’s creation Land, where water occupies 70.9% of the Earth's surface area. [1]

The total volume of water is estimated at approximately 1360 billion cubic liters , 97% of this volume is found in seas and oceans, and only 2.4% is present in the solid state as ice in the ice layers. [2]

Water has distinctive properties, as it is liquid and transparent, as it has no color from the intensity of its purity, taste and smell, and the water molecule consists of the bonding of an atom of oxygen and two hydrogen atoms. [3]

Water is the basis for starting life

Water is the basis for beginning life on the planet and the basis for its existence and continuity, and it is one of the most important necessities of life. There is no life without water, and that is why God created the earth since its creation in the water , and life has remained for the past millions of years in the water, and up to the present time, much of Living organisms live in it, unlike earthly life on land and land, where it does not exceed 400 million years old. [3]
Because of its great importance, God Almighty mentioned it in his book, and he said: ( And He made us from water every living thing, so they would not believe) [4]

The importance of water to different beings

When we compare the percentages of the various molecules that make up the bodies of living organisms, it becomes clear that water is the largest and largest part of it [5] . From eating food to taking the rest of it from their bodies. [6]

As for green plants, if not for the water, it would not be able to make food in the photosynthesis process . Water is also an essential component of food transport systems in living organisms, which means its importance in providing the cells of these bodies with food to do their work. It is noteworthy that 90% of the neighborhoods that live within the atmosphere range are present in the water, and that the seas and oceans contain most of the minerals present on the planet and in higher quantities than on land, and this shows the man's great tendency to exploit the mineral wealth of the seas. [7]

The role of water in the emergence of civilizations

Just as the abundance of water is at times a cause of many disasters such as floods , it is also not a secret how important the water point is - as few it is - for people around the world as the basis of life, without water there is no civilization, no progress, no prosperity, as scholars have unanimously agreed that there is a strong relationship between The presence of water and the advancement and prosperity of peoples throughout ancient and modern history, and the greatest proof of this is the great civilizations that established their bases on the banks of rivers, such as the civilization of the Pharaohs on the Nile, and civilizations on the Tigris and Euphrates rivers , because a person in particular needs water in most of his human activities As used in cooking, agriculture, industry, personal and household hygiene, and others. [7]

The importance of water to human health

Water constitutes approximately two thirds of a person’s weight, and this explains the vital importance of water for human life, as the proportion of water in the human body ranges between 55% to 78% depending on the size and age of the human being, and this percentage rises to 97% in the bodies of infants. [8] [9] It is noted that when the amount of water in the human body decreases from the normal level, he feels thirsty , as scientists have proven that a person cannot survive without drinking water for a long time, and the risks that result from a decrease in the amount of water in the human body The occurrence of dehydration, dizziness, nausea , muscle spasms, and disorders in the blood supply, as dehydration causes some of the body functions that need water to stop working. [10]
Water is important to many systems and organs of the human body, such as: [11]
  • Skin : Water is useful in maintaining skin elasticity and reducing wrinkles, and drinking it is more effective than all products that companies market to remove wrinkles.
  • Bones and teeth : Thanks to the ingredients in it, such as fluoride, water helps to strengthen teeth and bones.
  • Joints : Water is essential for joint health, as it forms a large percentage of albuminous fluid that is around and protects the joints.
  • Body and mind : Water is considered one of the main factors that helps in the absorption of food, in addition to being the medium in which most of the chemical reactions that are necessary for the human body interact, especially those necessary to improve memory and brain performance.
  • Digestive system : Water helps the digestive system improve its functioning and avoid constipation, in addition to being a key factor in the health of the urinary tract.

Benefits of drinking water for humans

The amount of water that a person drinks during the day contributes greatly to maintaining his health, and these health benefits include: [12]
  • Reduces the feeling of fatigue: The human feeling of fatigue can be attributed to the insufficiency of his body from water, which reduces the body's efficiency in performing its functions properly, in addition to that fatigue is one of the primary signs of dehydration.
  • It improves mood: Scientists have proven that the lack of water in the human body, even to a small degree from the normal level, may cause a change in its mood and its ability to stimulate the brain in thinking.
  • Treating headaches and migraines : The first thing that can be given to people with headaches or migraines is water and give them some relief, because the headache is often due to dehydration caused by the lack of drinking water.
  • Improves the functioning of the digestive system: the lack of water in the human body often leads to constipation, so it is recommended to drink appropriate amounts of water to avoid indigestion and constipation .
  • Helps get rid of toxins : Water is an excellent repellent to toxins from the human body, by urinating and sweating.
  • Reduces the risk of diabetes and heart disease: In a study conducted by the American University of Harvard, it was clarified that drinking water and replacing sugar-sweetened beverages with it can increase human health, by losing weight and reducing type 2 diabetes by 7%. [13]

The recommended amount to drink water

The recommended amount to drink water and fluids varies in general, according to several criteria, the most important of which are the weight, age, and physical activity practiced by the individual. [14]
The recommended amount to drink water can be classified according to age, as follows: [14]
  • Adults: Adults and adults need to drink approximately 1.5-2 liters per day, which equals 8 cups of water, bearing in mind that this amount is sufficient in moderate weather conditions, as it increases in hot weather conditions.
  • Adolescents: Adolescent individuals need to drink approximately 1.6 liters per day, bearing in mind that this amount increases exponentially with the amount of physical activity.
  • Children: Children from one year and above need to drink about 0.8-1.4 liters per day, and they should be encouraged to drink water regularly.

Facts about water

Water has facts proven by experiments and studies, including: [15]
  • Water is a natural solvent for many elements, bacteria , fungi, radioactive substances, and heavy metals.
  • Rainwater from clouds is the most pure type of natural water, although after its fall it is polluted by smoke from factories containing sulfur, which forms what is called acid rain.
  • A person cannot stay without drinking water for more than 5 days.
  • Fluoride is added to water to strengthen teeth and reduce cavities .
  • Chlorine is added to the water to get rid of the bacteria in it, and this may cause the water to have a strong smell that will disappear when it is boiling.

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