By: Norma Chew
Sinuses are air cavities within the facial bones. There are four pairs of sinuses that communicate with the nose called the paranasal sinuses. They are named according to their anatomical position, the Frontal, Sphenoid, Ethmoid and Maxillary Sinuses.The Frontal Sinus is located above the...
Smokers Bypass Surgery Cancer from Smoking Obese Restrictive Blood Flow
By: Writer's Edge
Why would a smoker want to have bypass surgery (bypass surgery means surgery so blood can flow around a blockage in a main or in many main arteries) if s/he smokes? So the person can die of cancer later on? My cousin needed bypass surgery...
By: JRR
One of the most intriguing and complex organs in the human body, the human brain still continues to challenge scientists and doctors. Much more is now known about it than even 10 years ago, but there is still much left unknown. Scientists still only have...
By: Janet Grischy
To a large degree, we are what we remember. We create our sense of self out of recollections of our experience, and we decide what to do in everyday situations on the basis of "what happened last time." The information storage systems in our...
By: Maurice Sassoon
Sleep is a period in which the body rests almost completely. It is as much a part of living as wakefulness. We are active for the most part of the day, shopping, working and doing different chores in order to make a living. Sleeping restores...
By: Norma Chew
According to WebMD, "the mitral valve lies between the left atrium and the left ventricle." The mitral valve allows blood to flow from the left atrium into the left ventricle. It closes to prevent the back flow of blood into the left atrium during...
Is Euthanasia Ethical or Unethical
By: Carolyn Tytler
The dictionary defines euthanasia as "the painless killing of a patient suffering from a terminal illness". The operative word here is killing. Euthanasia is most definitely unethical.The Bible says, "Thou shalt not murder". Deut.5:17.Even if this command were not written down in...
The process of DNA replication explained
By: Jeffrey Graf
The nucleus of a cell contains the chromosomal DNA for an organism. Since each cell in an organism must have a complete compliment of DNA, all of the DNA in the nucleus must be replicated before a cell divides. Because the organization of chromosomal DNA...
Introduction to the structure of the eye
By: Tarek Musslimani
The human eye is very unique, if we compare it with a camera. It gives us the ability to see things in three dimensional picture. Inspite of this, our vision has its own limitations. We cannot see all the wavelengthes of the light spectrum. What...
What is a surgical mask and what is its purpose?
By: Norma Chew
The word mask brings up images of cultural celebrations such as, Halloween and even beauty product masks that enhance the quality of our complexion This article focuses on masks as they pertain to the medical field, health-care professionals and infectious diseases. A surgical mask Vs...

 

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