AIDS Virus Population Growth
By: Mac a'Bhaird
I hesitate to start writing on this subject because the title in itself is so ludicrous, I doubt if I can eek out 400 words to defend my position. I find it difficult to believe that anyone in our civilized world would think that anything...
Biology: The human heart
By: Nayab Sh
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 being fatigued. It comprises four...
Ethical problems in cloning animals and humans
By: Diana Birdwell
When it comes to cloning humans and animals, we are duplicating them in to what we want them to be. So if they clone the first off clone of person one, that is making an exact copy of that person. Cloning humans and animals defies...
The transmission of bird flu
By: Patti Winters
The first thing we need to look at is what exactly is bird flu. It is a strain of the influenza virus that is transmitted through wild birds. People normally can not get the virus from wild birds but the wild birds can pass it...
By: Triana Rathads
Salmonella is an enterobacteriaceae, which loves to grow at around 37oC (our typicalbody temperature), it usually lives quite harmlessly in farm animals, and is pathogenic if it finds itself in a human host. Salmonella food poisoning has been increasing since the 80's, over 4 million...
How gene expression creates proteins
By: Alicia M Prater PhD
Proteins are the result of gene expression. They are often referred to as gene products because of the central dogma of biochemistry: DNA to RNA to protein. Genes are expressed when they are "on", meaning that their protein product is made and used in the...
The uses of new technologies in life sciences
By: Art Young
Since before the time of Hippocrates, some form of bandage has been used to help wounds heal. This low-tech tool has remained pretty much the same for centuries. And why not? If a bandage or dressing works to keep germs away from a wound or...
Tips on preparing for surgery
By: Joyce Good Henderson
Be proactive. Taking a proactive role in your own medical care may involve preparing for surgery. When surgery is recommended, and you have time to prepare, consider whether you want or need a second opinion. Your insurance company may require a second opinion, but even...
Basic terminology of the human heart
By: Lime Red Tetrahedron
Basic Terminology of the Human HeartThe human heart is perhaps the most symbolic and intriguing of the organs in the human body. It has been studied to an astounding extent throughout history, yielding some daunting terminology. Many of the terms used to describe and identify...
Understanding skin, its roles and functions
By: Alicia M Prater PhD
To understand the function of the skin, one first has to know that the skin is made of layers. These layers create a protective sheath on the outside of the body. Because skin covers almost the entire body, notable exceptions being the eyes, it is...

 

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