Reasons why oxygen is so important to the blood and cells
By: Wendy R.
Red Blood cells are the body's most common type of blood cell and are extremely important in delivering oxygen to the rest of your body. Red blood cells contain hemoglobin, which is a molecule that can bind to Oxygen. The red blood cells color...
A look at how varicose veins develop
By: Caroline Fynn
The word varicose is a derivative of the Latin word varix which means twisted. Therefore the term varicose vein implies that the vein has become twisted, but there is much more involved than this. The veins become lumpy, knotted and unsightly, they can be painful...
A look at how CPR restarts the circulatory system
By: Tarot
Let's start by clearing up one common misconception. Cardio pulmonary resuscitation (CPR) does not restart the circulatory system. The purpose of CPR is to maintain the supply of oxygen to the brain and other vital organs until the patient can receive professional medical aid from...
The role of the placenta in fetal circulation
By: Corinna Craddock
The Placenta The placenta is a temporary organ that feeds the life growing inside a mother's womb. As the embryo is forming, a yolk sac is created around it. The yolk sac becomes the site of formation for blood that will circulate through the unborn...
Who gets Coronary Artery Bypass Surgery
By: L G Hoel
Life is a very good thing. Death is a bad thing. Why aren’t good health and life valued and strived for anymore? The smokers and obese people already have many strikes against them. Denying these, people coronary artery bypass surgery would add to their...
An overview of pulmonary circulation
By: Cynthia Wall
Attention passengers! The Pulmonary Circulation Train is leaving Right Atrium Station. All Aboard! The trip of the body's blood from all distant points of the body has now returned. Blood cells carrying their load of CO2 have converged in two main tracks. The vena cavae...
The heart's role in circulation
By: Perry McCarney
The heart is literally the center of circulation. Which is why "right to the heart of the matter" is a common expression. All types of multi-cellular animals have hearts as the pump that provides the primary motive force for the circulation of their blood...
Biography: William Harvey
By: Betty Carew
William Harvey was an English medical doctor, who has the esteemed acknowledgment of being the first doctor to properly describe, in exact detail, the human body's systemic circulation and properties of blood being pumped around the body by the heart. This was discovered before...
Should Smokers and the Obese be Denied Coronary Artery Bypass Surgery
By: M. L. Kiser
My God! Have we become such a heartless society that we even have to debate this? Has humanity as a race of beings reached the point where care and concern for others of our species is a question of whether to help them or not...
A look at how CPR restarts the circulatory system
By: Janet Farricelli CPDT-KA
You are walking through the city streets when suddenly a women collapses to the ground. She appears unresponsive and her face appears pale. People surround her as somebody dials 911 on their cell phone. Her chest fails to rise and fall depriving her body of...

 

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