Why Is It Important To Learn The Circulatory System?
Hallidae Thomason
The importance of circulatory system learning certainly is
important and the reasons vary but are very similar—chiefly
that people would be able to save their own and others’ lives
by being able to recognize the signs of circulatory compromise
and the importance of getting help quickly. Fortunately this
system of oxygen and nutrient transport is one of the most
logical and easiest to understand systems that there are in the
realm of human biology/physiology/pathology and so it is easy to
teach and learn this important knowledge.
The circulatory system consists of the heart and blood and the
vessels that transport this blood as well as the hormones and
nervous system that affect the flow of the blood. Another huge
part of this system is the transport of oxygen into the blood
and the transport of carbon dioxide out of the blood, something
called respiration and involving the lungs.
Oxygen and glucose are key ingredients in the giving power of
the cell that allows it to carry out all of the metabolic
processes that it carries out to maintain life. So in an
indirect way the digestive system is a part of the circulatory
system by providing the glucose ingredient. However the body,
especially in populations like ours that have an overabundance
of “fuel” in our diet, store energy and thus this is not as
critical as oxygen to the life of an organism.
Blood is a specialized transporter of oxygen and carbon dioxide
and the flow of blood is essential in maintaining the proper
gradients of these gases in order for the proper exchanges to
take place. Depending on the tissue the amount of time that it
can function without a fresh supply of oxygen without
irreversible damage is seconds (for nervous tissue) to minutes
and even hours for tissues that are more able to carry out
anaerobic respiration.
The two most important injuries caused by circulatory system
compromise and lack of oxygen are heart attacks or myocardial
infarctions and strokes or cerebral vascular accidents. Much
has been done to decrease the time from initial symptom to life
preserving attention at a fully equipped hospital and this has
resulted in dramatic improvements in mortality and morbidity
from these injuries.
To learn more about the circulatory system and how you can
recognize early signs of compromise and save your or your loved
one’s life check out all of the great information on the web
from associations like the AMA, and the ACA, and the ANA.
About The Author: Hallidae Thomason is a masters in public
health and is excited about her role in the saving of lives by
teaching the circulatory system. To learn more go to
http://www.learncirculatorysystem.info
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