Overview of the physiology of the urinary system
By: Tarek Musslimani
The urinary system is that part of the body which includes the two kidneys and the two ureters and the bladder in addition to the urethra which leads the urine outside the body. The two kidneys are the most important organs of the urinary system...
Why some people have birthmarks
By: Russell Waldron
Medical experts state that one in ten babies are born with a birthmark. Some are very prominent, some quite small and very hard to detect due to the fact that they are hidden behind hair, on the buttocks or groin and so forth. Many birthmarks...
Structure and function of the stomach
By: Sharmal Kelambi
The stomach is the food storage organ in the human gastro-intestinal system. It is located in the left upper quadrant of the abdomen, below the diaphragm. The organ somewhat resembles the English letter ‘J’ and has two openings at either end. AT the top...
Why yawning is "contagious"
By: Jack Croes
Why yawning is contagious We have all witnessed and can testify that contagion happens when someone in a group, yawns even if it is a stifled yawn. Some theorists believe that this phenomena is more the result of a tendency for everyone in a group...
10 of the Brain
By: David Adam - 566456
This is bullshit. It has become rooted and popular is a testament to the fact that there are lots of slick businessmen who know telling customers what they want to hear makes sells. Otherwise, this is nothing more than a meaningless soup of words. Who...
Difference between the vulva and labia
By: Rena Sherwood
Both the vulva and the labia are parts of the woman's outermost reproductive organ, commonly known as the vagina. The vulva refers to the general outer opening of the vagina which consists of a lot of parts, including the labia. The labia are the "lips"...
What is hypophosphatemia
By: Tarek Musslimani
Hypophosphatemia is a disorder of phosphate ions balance in the blood in which the concentration of the phosphate ions is lower than a normal value. This has several causes as will be discussed later. The importance of phosphate ion stem s from the fact that...
Overview of sleep physiology
By: Tarek Musslimani
Sleep is defined as a state of unconsciousness in which it is possible to be aroused from this situation by a specific stimilus. There are two known types of sleep patterns. These are slow wave brain sleep and rapid eye movement sleep. Slow wave sleep...
Function of heart ventricles
By: Erich Rosenberger M.D.
The human heart is one of the most fascinating organs in the body. It serves as a pump to move blood to every point in your body. It does this non-stop, without rest, every day your life. In fact, it starts beating when you are...
The valves in the human heart
By: Alicia M Prater PhD
The four chambers of the human heart and three vessels connecting the heart with the pulmonary and systemic circulation have valves that prevent the backflow of blood. The heart valves are flaps of cardiac tissue held in place by connective tissue anchored in the fibrous...

 

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