Medical Science

The human nervous system is a complex collection of specialized cells that spans throughout the entire body, encompassing more than 100 billion cells in the brain alone. The purpose of the nervous system is to allow humans to detect stimuli,…
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The heart is the most important organ in the body. Its importance comes from the fact that is it supplies the other organs of the body with oxygen and nutrients through pumping the blood into the circulation. The heart is…
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Scenario one: You get up in the morning. You crawl out of bed, stub your foot on the door on your way out, bang your elbow on a wall, fall down the stairs and, as you’re getting up, accidentally nick…
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Exercise and nutrition in the prevention of cardiovascular disease Cardiovascular disease is a catch all term used to describe an array of diseases related to the heart and blood vessels. The heart is the pump that distributes blood throughout the…
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The thyroid gland is an endocrine gland that is located on the top of the respiratory tract, anterior to the trachea. The thyroid is composed of follicles that secrete three types of hormones. Two main types of cells exist in…
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The normal human skeleton has 206 bones. Each of them are classified according to their shape and size, and each having their own purpose. The skeletal system as a whole has several of its own responsibilities. Probably the most obvious…
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The cardiac cycle is the set of events that occur from the initiation of one heartbeat to the initiation of the next. Each cycle includes the electrical signal that initiates each contraction as well as the mechanical movement of the…
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The colon is an intrinsic and vital part of the digestive system. In simple terms, it is the large intestine in mammals and extends from the small intestine to the rectum. The colon works by absorbing water from food digested,…
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Throughout various periods of history, left-handers have faced discrimination and prejudice, and often were forced into becoming right-handed by parents and teachers (as happened to England’s King George VI) who would make them write and perform tasks with their right…
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The Brain: Gender Identified There is within the brain of both males and females, the Cingulate Gyrus, and it is located above the Corpus Callosum, which is the “bridge” between the right and left hemispheres of the brain. The Cingulate…
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