What is high blood pressure? High blood pressure means that your heart is working harder than normal to force blood into the arteries and through the circulatory system. For an adult a blood pressure reading greater that 140 over 90 is considered as high. Normally, the pumping of the heart creates ...

There is a crisis. It is the shortage of blood. We need more blood donors. There's no substitute for human blood -- vital for delivering oxygen and nutrients, removing waste, healing and fighting infection. A person's blood can, however, be shared with others. Every day, thousands of America...

Imagine a young girl is injured in a car accident and her mother dies instantly. The young girl is still alive but she needs to have a blood transfusion within minutes in order to save her life. The only problem is that the nearest hospital does not have enough blood reserves and the next closest...

BLOOD The major transportation fluid 1unit=.5liters Functions 1. Transportation medium for food and oxygen cells. 2. Transport medium for waste and carbon dioxide from the cells. 3. Movement of hormones, enzymes, immune cells and other chemicals throughout the body. 4. Important in the r...

BLOOD The major transportation fluid 1unit=.5liters Functions 1. Transportation medium for food and oxygen cells. 2. Transport medium for waste and carbon dioxide from the cells. 3. Movement of hormones, enzymes, immune cells and other chemicals throughout the body. 4. Important in the r...

Not all animals have lungs. Many animals live in environments where lungs would be efficient enough for survival. Gills are another type of respiratory system, which are very efficient at removing oxygen from water: there is only 1/20 the amount of oxygen present in water as in the same volume o...

Circulatory system, cardiac location and structures, the heart is the driving force of the circulatory system, contracting about 70 times/minute to pump an adequate volume of blood with sufficient pressure to perfuse all body organs. The muscular organ weights from 300 to 400g, it's located wit...

The topic of this paper is dialysis. Throughout the paper I will discuss the alternative names given for dialysis, reasons on why the test is performed, how the test is performed, how the test will feel, how to prepare for the test, risks that may occur, and lastly, some pictures of a dialysis mac...

The purpose of this paper is to explain how a woman's various organs and systems respond to trauma, and how many of those actions can result in minimizing chances of organ destruction and increasing the victim's chances of surviving the accident. In addition, some actions taken by the wom...

Cardiovascular diseases rank as America's number 1 killer. They claim the lives of 42.7 percent of the more than 2 million Americans who die each year. Cancer follows, killing 23.8 percent. All other causes of death account for 33.5 percent. Medical research continually seeks to reduce di...

The lymphatic system Although blood is thought to be the main medium of transport for material around the cell, there is another fluid that serves the cells and is a vital link between the cells and the blood circulation. About 90% of the fluid that leaks out of the capillaries eventually seeps b...

What is coagulation? The Circulatory system is made up of many blood vessels and is a self sealing system. When a blood vessel in injured, platelets begin to stick to each other and to the sides of the injured tissue to form a plug, or a clot, which becomes covered with strands of thread like fibr...

Exercise does affect heart rate. During exercise, the muscles of the body are at work and for the muscles to work energy is required. In order to provide energy to the exercising muscles the blood supply to the muscle increases so that the glucose-a monosaccharide sugar, C6 H12 O6, occurring widely...

Unit 2 Biology- FUNCTIONING ORGANISMS SAC- 'Essay on transport systems' "Transport systems play an essential role in the survival of flowering plants and mammals" Transport systems play an essential role in the survival of flowering plants and mammals. These organisms re...

According to Centers for Disease Control and Prevention (CDC), Sickle Cell Disease (SCD) is a group of inherited red blood cell disorders. In this disease the red blood cells seem to be like a "C" shaped farm tool called a "sickle"; they tend to get stuck in the blood vessels and clogs the flow of b...

Heart disease is a common disease in people. Its a disease that affects the heart and the cardiovascular system. There are many types of Heart disease. Most often when people think of any kind of heart disease they usually think of the Coronary Artery Disease. That is the narrowing of arteries that ...

Intro: We have all been stressed out at some time in our lives, in fact many of us are stressed out right now. Most of us have also suffered from colds or have had injuries. Today, I am going to tell you about a few different alternative healing methods and how they can help you deal with stress....

\"How ya holdin\' up, kid?\" The old man in a pit-stained wife beater with his right cheek pressed close against his prized fighter whispers more words of encouragement as his hands knead into the fighter\'s shoulders and as they both stare across the ring at the powerhouse pugilist that has alread...

Barbiturates ABOUT: These drugs act to depress the central nervous system and are often called sleeping pills. They are derived from barbituric acid (C4H4N2O3), a combination of urea and malonic acid. Depressants act as downers, and can slow the body and mind down. There are over 2000 known barbit...

Sickle Cell Anemia, is a hereditary disease, which affects red blood cells. Throughout this paper, I will talk about what exactly it is, how it is caused, any known treatments or cures, and many other facts that are important in this disease. Sickle Cell Anemia is a health problem throughout the w...

Congestive heart failure is a condition that happens when the heart is not able to pump enough blood to meet the needs of the body's tissues. When the heart fails, it is unable to pump out all the blood that enters its chambers. In other words, all the blood that is pumped to the body is ret...

Stroke When a family member has a stroke, the family could also be highly affected. The person may have slurred speech, facial weakness, loss of bladder control, difficulty in breathing and swallowing, and paralysis or weakness, particularly on one side of the body. A stroke is also referre...

Sickle-Cell Anemia Hemoglobin, an oxygen carrying protein in blood, is sometime altered in people causing interruptions in the circulation of blood. This is known as Sickle-Cell Anemia. In the United States, Sickle-Cell Anemia is found mostly in blacks. About 1 in 400 blacks in ...

AIDS is a life and death issue. To have the AIDS disease is at present a sentence of slow but inevitable death. I've already lost one friend to AIDS. I may soon lose others. My own sexual behavior and that of many of my friends has been profoundly altered by it. There currently is neither a cure, no...

What Should Our Cholesterol Levels Be, Ideally, and How Can We Control Our Cholesterol Without Prescription Drugs? At the moment, suppliers of anti-cholesterol drugs, such as Pfizer's Lipitor or Pravachol, are marketing their merchandise as the sole weapon available to combat the relentless onsl...