Biography: William Harvey
By: Lisa Stephens
William Harvey was born at his home on April 1, 1578. Harvey was the oldest of seven children born to Thomas Harvey of Folkestone, Kent and Joane Halke, of Hastingleigh, Kent. Harvey attended The Kings School, Canterbury as a young child. At the age of...
How can we protect the world's people from HIV ?
By: Alicia M Prater PhD
There is no cure for HIV infection and treatment is a lifelong and expensive undertaking, if it works at all. Prevention is key for protecting the population from the human immunodeficiency virus (HIV) that causes acquired immunodeficiency syndrome (AIDS). The question though is how to...
A look at how varicose veins develop
By: Vinny Knowles
One day as you are sitting at your desk working, you notice a pain on the top of your foot. You look down and are shocked to see an ugly bulging vein! Chances are you are familiar with this sight, because they often run in...
An overview on diseases of the heart and cardiovascular system
By: Leslie Schwab
Diseases that affect the heart and cardiovascular system may be due to external factors, such as a bacterial or viral infection, but they are largely due to factors that are the result of human behavior, such as poor diet, lack of exercise, or living under...
The heart's role in circulation
By: Leslie Schwab
There are two main components of the circulatory system. There is the series of tubes, called the vascular system, that carries oxygen and nutrients to all of the trillions of cells that make up the human body. The other component is the heart, which is...
By: Michelle Wilkinson
In an ideal world children would not be getting themselves into the position of being obese in the first place, but as statistics seem to indicate the opposite is true, with ever-increasing numbers of children being classed as overweight or obese. Of course, it is...
A look at how varicose veins develop
By: Cynthia Wall
The human circulatory system is a thing of wonder. Blood flows through arteries from the heart to every destination in the body. Veins and capillaries (tiny veins) continue the distribution process until every cell of your body is nourished with oxygen-rich blood. Then the long...
A look at how varicose veins develop
By: Lisa Stephens
Most people at some point in their life have either experienced for themselves, known someone who has experienced or has observed someone who shows the signs of varicose veins. For those who suffer from this condition face anything from an unsightly cosmetic appearance to...
How the human heart works
By: Kim Stairs
The heart is an amazing specimen. Without the heart, our body tissues would not get the oxygen exchange and other nutrients required to survive. The heart is responsible for carrying out the job of transporting our blood through our entire body, including itself. When...
How the human heart works
By: Leslie Schwab
The human heart is a living machine that works as a pump in distributing blood that transports oxygen and nutrients to cells throughout the body. The heart is a mechanical marvel in that it never rests. Even when sleeping, a human being's heart is beating...

 

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