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Can
you imagine how we would look if we do not have skin
covering us up? That
may be too gross for our imagination.
The
skin is the largest vital organ of the human body.
It covers you up, keeps you warm and keeps you
cool. It
also decides what can be absorbed and what should be
rejected.
Skin
that is clogged and unhealthy is not just a beauty
problem. It can become a hindrance to your sense of
vitality and wellness. Proper care of your skin is
important not only to your personal sense of beauty but
also to proper elimination, more graceful aging and
overall health.
The
skin has five main functions.
1.
It acts as a mechanical barrier to infections. It
ultimately prevents microorganisms and other substances
from entering the body.
Langerhans cells (a type of macrophage) are found
within the dermis, they engulf invaders foreign to the
body and debris.
Keratin layers in the epidermis together
with sebum produced by sebaceous glands act as a
waterproof barrier.
Melanocytes protect the body from ultraviolet light.
Finger and toe nails protect the extremities of
fingers and toes from damage. Fingertips are important
for dexterity and the sense of touch; they have ridged
areas to assist in picking things up.
Hair follicles offer some extra protection to
certain parts of the body such as eyes and head.
2.
It regulates
body temperature. Considerable
heat is lost through the skin.
Even under extreme conditions of high temperature
and exercise, our skin tends to make body temperature
normal. The
production (evaporation)
of sweat in the skin cools us down when exposed to too
much heat.
The core body temperature needs to be kept constant
for normal physiological activity to take place (370c).
It needs to maintain a core temperature for homeostasis.
3.
Skin excretes
waste product and excess salt from the body.
Sweat includes waste products in solution. Water is lost continuously
through the skin as insensible sweating. More pronounced
water loss through sweating occurs as part of
temperature regulation.
4.
Skin provides the sense of touch or sensation
we need to know more about our outside environment
through recognizing heat, cold, pain and other
sensations. Nerve
endings of the skin provide
the body with a great deal of information about the
outside environment.
5. Skin
synthesizes
the use of Vitamin D in the presence of sunlight and
ultra violet radiation needed for the absorption of
calcium and phosphate.
So take care of your skin. No other organ in our body would do those for you.
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