The Heart and the Circulatory System Introduction Imagine that you are living in the year 1535, and that you don't feel well. You have had some problems with fatigue, feeling a little more tired than usual when you walked to the market and back. You tell this to your physician, and he sends y...

Disorders of the Heart Introduction The Heart and Circulation The cardiovascular system is an elaborate network that performs 2 major tasks. Firstly it delivers oxygen and nutrients to body organs, and secondly it removes waste products of metabolism from tissue cells. The heart's major componen...

Introduction Most people don't know very much about heart disease, and used to be one of those people. I wanted to be informed on these things that I didn't know about. I didn't want to go on not knowing about it, especially when many members of my family have been diagnosed with some type of hea...

Congenital heart disease (or CHD) is a range of heart disorders, of varying degrees of severity, which are present at birth. CHD affects about eight in every one thousand live babies that are born and is caused by factors operating early in pregnancy. These factors include viral infections (e.g. Rub...

ENVIRONMENTAL SYSTEMS – LABREPORT ON CARDIOVASCULAR FITNESS. Introduction: Through this exercise we will gain a bigger understanding of what it means to make a scientific experiment, and we will become better in one of the essential purposes of Environmental Systems: Using our own resea...

Coronary Artery Bypass Grafting "Surgery and the Nurses Role" 1. Introduction 2. CAD, Angina, MI The disease process and diagnosis 3. Pre-operative therapy and medications 4. Nurses pre-operative role: Assessment, Diagnostic studies, Medications, Education 5. Operation: Coronary Art...

Normally, sugars and starches (carbohydrates) in the foods we eat are processed by digestive juices into glucose. Glucose circulates in the blood as a major energy source for body functions. Its use is regulated primarily by insulin, a hormone produced by the pancreas gland (located behind the stoma...

Humans are the only species that have, "this urge", to inhale harmful smoke into their body. There are all types of smokers. Some smokers are casual smokers, who only smoke in a social scene, other types of smoker are depressed/stressed smokes, who smoke, because they feel that it relie...

Is there anyone who does not know someone who smokes? Everyone has a family member, friend, or co-worker who smokes. They have chosen to smoke, but by just being around them you are also smoking, only you have not made that choice. Before you choose to take this risk you should think about what may ...

Why must thrombolytic therapy be initiated immediately upon onset of ischemic stroke? In Canada a stroke occurs every ten minutes, it is the fourth leading cause of death and is the number one cause of long-term disability. Canadians spend a total of 3 million days in hospital because of stroke cos...

For many years before a baby is conceived, the bodies of his parents have been getting ready for his conception. The mother's body has been producing egg cells (ova), and the father's sperm cells (spermatozoa) to fertilize them. Once an egg is fertilized, the baby needs a place to grow and develop;...

For many years before a baby is conceived, the bodies of his parents have been getting ready for his conception. The mother's body has been producing egg cells (ova), and the father's sperm cells (spermatozoa) to fertilize them. Once an egg is fertilized, the baby needs a place to grow and develop;...

Tobacco is a plant grown for its leaves that are smoked, chewed, or sniffed for a variety of effects. It is considered an addictive substance because it contains the chemical nicotine. The tobacco plant is believed to have originated in the Western Hemisphere. The cultivated species most often grown...

Alcohol What are the street names/slang terms for it?Booze What is it?Alcohol is the most commonly used and widely abused psychoactive drug in the country. What does it look like?Alcohol is used in liquid form. How is it used?Alcohol is drunk. Types include beer, wine, and liquor. What are ...

Today people strive to great lengths to keep their body in a good, healthy condition. Every system in the body, let it be digestion, circulatory (of blood), immune, respiratory, cellular respiratory or kidneys and excretion are all vital. Each have their separate roles, but not one works separately....

Tobacco Smoking For many people smoking is a trend, or a way of attracting attention so people will think better of them, at least that is how the smoker feels. But in many cases in this corrupt day and age the smoker is an addict and is the dependent of the vicious drug nicotine. Nicotine is the ...

Diabetes Diabetes, Diabetes Mellitus, is a chronic illness this means that it has no cure and the symptoms persist over a long period of time. This illness is a result of an imbalance of hormones (insulin) produced in the pancreas. Insulin plays an important role in how the body uses food. Insuli...

Sickle Cell Anemia Sickle Cell Anemia is the most common blood inherited disease in the United States, affecting about 72,000 Americans each year, and it has no cure. It commonly affects Hispanics and African Americans rather than Caucasians. It is classified as a disease in which the red ...

Diabetes Diabetes, Diabetes Mellitus, is a chronic illness this means that it has no cure and the symptoms persist over a long period of time. This illness is a result of an imbalance of hormones, insulin, produced in the pancreas. Insulin plays an important role in how the body uses food. Ins...

Haemodialysis Thousands of people suffer from acute renal failure which occurs when the kidneys lose the ability to excrete wastes, concentrate urine, and conserve electrolytes. Electrolytes are substances in solution consisting of various chemicals which can carry electric charges. They exis...

Exercise and proper nutrition are the key to having a health child. Nutrition and exercise are important because it keeps people's bodies - and minds – healthy. Without both of these factors, we wouldn't be feeling or looking very good. Actually, there are so many reasons why exercise and g...

ABSTRACT Arthritis is not only a devastating barrier to employment for many Americans, it is also the most common disabling disease in the Unites States. There are more than 100 different types of arthritis. Arthritis causes pain, swelling and changes in the joints that limit movement. It aff...

For hundreds of years people have been struck down with diseases such as Cholera, an acute diarrhoel infectious disease. Diphtheria is a serious contagious bacterial disease. Hepatitis is the inflammation of the liver. Malaria, is another infectious disease. And Typhoid Fever, an acute,...

What is life?" The question has been asked innumerable times but has been answered to the satisfaction of few. Science is based on the experience that nature gives intelligent answers to intelligent questions. To senseless questions, nature gives senseless answers - or no answers at all. If nature h...

When the word rave comes to mind, teenagers think of flashing lights, loud techno music and dance floors full of euphoric youth. What they might not realize is the danger that lurks in the people at those raves and the drugs that they might be carrying. Over the decade, raves have turn into giant...