By: Maffew James
Activated charcoal is a form of carbon that has been treated to open up millions of microscopic pores, making it extremely porous. Through this activation process, it can have a huge surface area of anywhere between 300 - 2000 square metres per gram. It is...
The science behind cutis anserina
By: Maffew James
Whether you are exposed to a chilling wind, swept up in the passion of a ballad, or suffering a fright, a common phenomenon is that of cutis anserina. This is the medical term for a common physiological occurrence known as goose bumps, which involves the...
The science behind cutis anserina
By: Srikanth Radhakrishna
Cutis anserina is the medical term for goose bumps (bumps on the skin at the base of the hair) . The term "cutis anserina" literally means "goose skin". It is also known as chill bumps, goose flesh, chicken bumps, Dasler bumps, goose pimples, funky spots, and...
The function of platelets
By: Jared Halfacre
Platelets or thrombocytes are produced in the bone marrow and while not actually cells themselves are produced by cells called megakaryocytes. Platelets are formed by budding off of megakaryocytes and live on average for 5-9 days. They are small, colorless bodies, usually round or ovoidin...
By: Dr. Bryan Katz
A neurotransmittter (NT) is a chemical messenger released from a neuron's synaptic terminal following an action potential. Until the middle of the 20th century, some scientists thought that the human nervous system required as few as two neurotransmitters to function - one substance to excite...
The effectiveness of angioplasty
By: Bethan Jenkins
Angioplasty is described as the approach of widening an obstructed or narrowed blood vessel in a mechanical procedure. If an individual requires the relief of artery blockage then they may proceed to undergo the effectiveness of this technique. According to the British Heart Foundation, it...
The various functions of neurotransmitters
By: Bethan Jenkins
According to webspace.ship.edu, neurotransmitters are the chemicals which allow the transmission of signals from one neuron to the next across synapses. A synapse is a very small junction or gap between two neurons, or a muscle and a neuron. Neurons tend to communicate...
By: Dr Pandula Siribaddana
Poliomyelitis is a condition which can give rise to lifelong disability and sometimes fatal outcomes that can be prevented by giving a simple vaccine at the earliest stages of life. Being contracted by a virus, the poliomyelitis had engulfed the world, especially the African and...
By: Raquel Ildefonzo
The arteries, along with the veins, are the blood vessels that form the vascular system of the body. The system consists of hollow tubes through which the blood flows. The arteries are the vessels that carry blood away from the heart towards the body tissues...
Difference between arteriosclerosis and atherosclerosis
By: Sarah Cagle
Healthy arteries are the flexible, strong and elastic vessels that convey oxygen and necessary nutrients from the heart to the rest of the body. Over time, though, too much pressure in these arteries can make their walls thick and stiff. This can restrict blood flow...

 

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