The mechanism of blood clotting
By: Wendy R.
Blood clotting is one of the most important and complicated physiological methods of protecting the human body. There are two major systems involved in blood clot formation. These are blood platelets and the thrombin system. Platelets are tiny cellular elements which are formed in the...
Unconscious Zombie Agents
By: Richard Hemingway
If I am to say that I use more than 10% of my brain, would this make me superhuman? The truth is, we all use more than 10% of our brain. I can prove this. Imagine yourself driving down a windy road. You drive a...
Structure and function of the pituitary gland
By: Tarek Musslimani
The pituitary gland is divided anatomically into two parts. These are the anterior lobe and the posterior lobe. The anterior lobe of the pituitary gland produces and secretes five types of hormones. All of them are regulated by a positive feedback from hormones in the...
The function of the kidneys
By: Wendy R.
The kidneys are two bean shaped organs that are essential to life and many life processes. Each kidney is about the size of a human fist and is located near the middle of the back, below the ribs, somewhere in the location of the second...
Capacity of the Brain
By: Jonas Stewart
The mysterious story of people only using 10 percent of their intellectual powers is completely false. However, the idea behind it is not, so the reason why people always take it the wrong way is a simple misunderstanding of the theory behind it.The human...
Explaining different blood types
By: Karen Crumley
Blood types are determined by instructions given on a person's DNA. If a person has instructions for Type A blood, the blood cell membranes will include a certain A type protein within them. As the person develops, that particular protein will be accepted as "self"...
The heart: An overview
By: Joyce Good Henderson
The heart: an overviewSixty-one, sixty-two, sixty-threesixty-eighta very normal resting pulse for an adult. For some people, the heart rate isn't always that slow, or regular. For them, medication can bring it to a more comfortable and healthy pace and reduce the occasions of aberrant racing...
Explaining different blood types
By: Wendy R.
The ABO blood groups were discovered over one hundred years ago. In the early 1900's, an Austrian scientist, Karl Landsteiner, found through experimentation that red blood cells of some people clumped or agglutinated when mixed with serum from other people. Through his experiments he noted...
Human Brain Activity
By: Jesse Delia
No, humans do not only use 10% of their brain, the idea is ridiculous.Heres a very non-technical explanation...Essentially every region of the brain is used/exerts an effect in our mental processes, 10% usage contradicts nature. As its known, every aspect of the human...
Function of white blood cells
By: Megan Worley
White blood cells are the immune systems way of guarding the body against any foreign material, disease causing and otherwise, that enters the body. Any increases in the number of white blood cells in the blood indicate any number of disorders. White blood cells are...

 

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