Medical Science

Have you ever wondered exactly how ears can detect sound? The human ear is a very delicate and detailed sensory organ. In order to hear sound, the ear must first catch sound waves, and direct them into the hearing part…
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To find out how the ears detect sound, we must look at what is contained in the ear, and what functions each part of the ear has to offer. Sound waves travel through the outer ear, making there way into…
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The pulmonary circulation is a closed system within the body. It works opposite from the artieries and veins.  Our first thoughts are oh no, that cannot be so, arteries carry only fresh oxygenated blood and veins are the passageways of blood…
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All of the living cells of our bodies need nutrients to maintain themselves and carry out their functions. We obtain these nutrients by eating and drinking, with our gastrointestinal (digestive) tract breaking down the food into the components absorbed, mainly…
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Moebius syndrome is a congenital condition in which several nerves or muscles in the head are non-functional or only partly functional. First identified in the late 19th century, it has been documented in only about 300 cases in the English-speaking world since…
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Pulmonary circulation as the name implies (pulmonary=lungs; circulation=exchange) circulate blood to and from the lungs. It is one of the two parts of the cardiovascular system, where systemic circulation being the other. Cardiovascular system is the blood supply of the…
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The lungs re-oxygenating our blood is what pulmonary circulation is all about. We have a cardiovascular (heart and blood vessels) system composed of two closed circuits. The pulmonary circuit takes de-oxygenated blood, containing low levels of oxygen and large amounts…
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Hormones play a crucial role in maintaining homeostasis. They interact with the nervous system to coordinate cellular metabolism. The majority of hormones are produced by endocrine glands. Endocrine glands are categorized into three groups; amino acid based, steroids, and eicosanoids….
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The circulatory systems was first discovered by Ibn Naf in 1242. He is considered the father of circulatory physiology and his findings were published in Commentary on Anatomy in Avicennu’s Canon. Most Christian factions of the time, condemned the work…
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While it is pretty straightforward that humans need food in order to survive, not many people are aware of the fact that deep inside our body’s core another form of nutrition takes place. That is the delivery of oxygen rich…
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