Water and the Human Body Series: Chapter 2 – The Function of Water in the Human Body

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Review Chapter 1 – Water Content in the Human Body


The function of water in the body is extremely important.  In fact, water in the human body is the giver of life.  Without water, life would cease to exist.

Water helps nearly every part of the human body function efficiently. If water is 60% of the human body mass, it is vital to understand the functions of water in the human body and how a deficiency of water may cause a compromise to human health.

Following is a list of some of the more important functions of water in the human body:

Water provides cellular communication

Thoughts, emotions, nervous system transmission thought to be transmitted by water. Making water the primary mode of cellular communication.

Water is required for brain function

The brain receives 15-20% of the blood supply which is mostly comprised of water.  The cerebrospinal fluid  is critical for proper brain function.

Water is needed for bone function

Bones require plentiful supplies of water. The upper body is is supported by the water core contained within the fifth lumbar disc and muscle fibers around the spine.

Water is needed for nerve function

Microtubules, which are microstreams of water, carry water to the synapses to transmit messages.

Water is a nutrient carrier to cells

Water is a carrier, distributing essential nutrients to cells, such as minerals, vitamins and glucose.

Water is a required in chemical and metabolic reactions

Chemical reactions within the body and metabolism is critically dependent on water and a lack of water in the human body means incomplete or faulty metabolic processes.

Water is required for proper detoxification

Water removes waste products including toxins that the organs’ cells reject, and removes them through urines and feces.

Water regulates body temperature

Water has a large heat capacity which helps limit changes in body temperature in a warm or a cold environment. 

Water protects tissues, spinal cord, and joints

Water keeps the tissues in the body moist and helps protect the spinal cord  It also acts as a lubricant and cushion for joints. It also acts as a shock absorber for eyes, brain, spinal cord and even for the fetus through amniotic fluid.

Water aids in digestion

Water is the main solvent for all foods, vitamins and minerals. It is used in the breakdown of food into smaller particles and their eventual metabolism and assimilation.

Digestion starts with saliva, which primarily consists of water. 

Water acts as a solvent 

Water is the fundamental solvent for all biochemical processes in our bodies.  Because water is highly polar (has an unequal distribution of charge), it is an excellent solvent for other charged and polar molecules. 

Water acts as a transporter

Once a substance is dissolved in water, water becomes very important for transporting it throughout the body.  Blood, which is 83 percent water, transports oxygen, CO2, nutrients, waste products, and more from cell to cell.  Urine removes waste products from the body.  

Water regulates pH balance

Adequate levels of water in the human body help regulate pH balance and maintains a specific pH level of around 7.4.  

Water regulates electrolyte balance

Electrolytes are important charged ions that must be kept at certain levels in order to maintain the proper amount of water in the cells. To maintain electrolytes at the proper level in our cells, water flows in and out of the cell to make sure that these ions remain in balance.  Electrolytes transmit all sorts of information to our brains in the form of nerve impulses and are important in muscular activity as well.

Additional Functions of water in the Human body:

Water is required for breathing

Water moistens oxygen for breathing

Water dilutes the blood and prevents it from clotting during circulation

Water moistens mucous membranes such as those of the lungs and mouth

Water reduces the risk of cystitis by keeping the bladder clear of bacteria

Water moisturizes the skin to maintain its texture and appearance

Water increases the efficiency of red blood cells in collecting oxygen in the lungs

Water helps reverse addictive urges, including those for caffeine, alcohol and some drugs

Water is used in the spinal discs to make them “shock absorbing water cushions”

Water prevents clogging of arteries in the heart and the brain

Water gives us power and electrical energy for all brain functions, most particularly thinking

Water prevents DNA damage and makes its repair mechanisms more efficient 

Water increases greatly the efficiency of the immune system in the bone marrow, where the immune system is formed

Water keeps the bloodstream liquid enough to flow through blood vessels

Water is directly needed for the efficient manufacture of all neurotransmitters, including serotonin

Water is directly needed for the production of all hormones made by the brain, including melatonin

Water restores normal sleep rhythms

Water prevents the loss of memory as we age. It helps reduce the risk of Alzheimer’s disease, multiple sclerosis, Parkinson’s disease and Lou Gehrig’s disease

WaterFunction


Previously published Chapters in the Series

Chapter 1 – Water Content in the Human Body

Future Chapters in the Series:

Chapter 3 – Water Gain (Consumption) in the Human Body

Chapter 4 – Water Loss by the Human Body

Chapter 5 – Water Balance in the Human Body

Chapter 6 – Dehydration

Chapter 7 – Waters Effect on Neurological Health

Chapter 8 – Edema – Fluid Retention


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