Medical Science

The liver is a very important organ in the human body due to its pivotal role in monitoring homeostasis and keeping constant environment in the body.  This importance is manifested by the many functions that it has in the body…
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Anatomically speaking, the urinary system is composed of the two kidneys and two ureters and the urinary bladder in addition to the urethra.  The two kidneys are connected with the urinary bladder through two tubes which function as passage way…
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The pancreas in humans is an indispensable  organ which which without it we cannot survive due to its important function in maintaining homeostasis in the body and in particular its role in sugar metabolism and in the digestion process in…
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The human heart, the main organ of the blood circulatory system enclosed in pericardial sac, pumps blood to all body parts. It is the strongest muscular organ of the body and made up of cardiac muscles that work continuously without…
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Why do onions make you cry? To answer this question, one needs to understand what the microscopic structure of an onion looks like. Onions are composed of millions of tiny cellular sacs (similar to the individual sacs of an orange…
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What are varicose veins? Our network of veins serve to drain the capillary beds and body tissue of “used” blood and return it to the heart. This venous flow is assisted in its return to the heart by the rhythmic…
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 The human brain is one of the most complex organs in the entire human body. It controls the physical motion of a human being as well as all thought processes and functions that are both voluntary and involuntary throughout the…
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The skeletal system is biological system that serves as the framework of each living organism. The skeletal system has many functions including supporting, allowing and organizing body movements and protecting specific sensitive internal body parts such as the brain. It…
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Joints are connections between neighbouring bones in the body skeleton.  There are three types of joints in humans.  These are: fibrous joints and cartilaginous joints in addition to synovial joints.  In the first two types of joints there is direct…
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Most humans only use 10 percent of their brain. First off, what do we mean by ten percent? Do we mean that only ten percent of our brain tissue is ever active, most definitely not. It has been proven that…
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