The Structure & function of the
Autonomic Nervous System
Introduction:
The organs of our body are controlled by many systems in order to function correctly and efficiently in order to survive within the environment we live in. These include the heart, stomach and intestines and other vital organs and body systems. All of the systems in our body are regulated by a part of the nervous system called the autonomic nervous system (ANS). The ANS is part of the peripheral nervous system and it controls many organs and muscles within the body. Rather bizarrely we are unable to determine or feel its presence in our bodies as it is working involuntary, as a reflexive manner. A common example of this involuntary action is best understood when you think about your circulatory system. We do not notice when blood vessels change size or when our heart beats faster, unless of course the change is shockingly dramatic. But otherwise it's an internal change to your bodies internal environment......
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Approximate Word Count: 1227
Approximate Pages: 5 (260 words per double-spaced page) |