How Is My Blood Type Determined?
It's inherited. Like eye color, blood type is passed genetically from your parents. Whether your blood group is type A, B, AB or O is based on the blood types…
Blood Types and the Population
O positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Latino–American people, for example, have a relatively high number of…
The ABO Blood Group System
There are four major blood groups determined by the presence or absence of two antigens - A and B - on the surface of red blood cells:Group A -has only…
Blood
Blood is the red fluid that circulates in our blood vessels, i.e.veins and arteries. The main function of blood is to act as the body’s transport system, but it also…
What Are the Different Types of Teeth?
Every tooth has a specific job or function (use the dental arch in this section to locate and identify each type of tooth):Incisors: Incisors are the squarish, sharp-edged teeth in…
Nose
The nose is the body's primary organ of smell and also functions as part of the body's respiratory system. The visible part of the human nose is the protruding part…
Root Canal
A root canal is a dental procedure to remove dead or dying nerve tissue and bacteria from inside a tooth.A dentist will use a needle to place numbing medicine (anesthetic)…
Gum Disease
If you have gum disease, you're not alone. Many U.S. adults currently have some form of the disease. It ranges from simple gum inflammation, called gingivitis, to serious damage to…
What Are the Different Types of Teeth?
Every tooth has a specific job or function (use the dental arch in this section to locate and identify each type of tooth):Incisors: Incisors are the squarish, sharp-edged teeth in…
Tooth
The structure of the tooth includes dentin, pulp and other tissues, blood vessels and nerves embedded in the bony jaw. Above the gum line, the tooth is protected by the…