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...

Abstract Sickle cell anemia is a group of inherited red blood cell disorders. Normal red blood cells are round like doughnuts, and they move through small tubes in the body to deliver oxygen. Sickle red blood cells become hard, sticky and shaped like sickles used to cut wheat. When these hard and po...

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...

EXPLORATION AND DISSECTION OF A MAMMALIAN HEART Abstract: In this experiment, we obtained a fresh heart and dissected it to examine and observe the different parts of the heart, as well as studying how they function and work together. Problem: How can we study the heart through dissectio...

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...

When a diver dives deep for a period of time, breathing regular compressed air, a certain amount on nitrogen will be dissolved in the blood. If the diver comes back up to the reduced pressure of the surface too quickly, small bubbles of nitrogen will form in the blood stream. This is called "the b...

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...

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...

Cholesterol is a soft, waxy substance found among the lipids (fats) in the bloodstream and in all your body's cells. It's an important part of a healthy body because it's used to form cell membranes, some hormones and other needed tissues. But a high level of cholesterol in the blood - hypercholest...

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...

Can you imagine planning for one of the happiest days of your life, and then having all of that change in the blink of an eye? Imagine finding out that your unborn child will be born with a very serious congenital heart defect. I am going to talk to you about a congenital heart defect known as Hypo...

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....

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...

The Tragedy of Macbeth The Tragedy of Macbeth is plagued with the images that coincide with its many themes. Although there is really no central theme and all seem to intermingle, it would be extremely difficult to research the play in its entirety. Therefore, I've chosen to focus my study to...

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...

Mothers can abuse children in many ways. The main form of abuse most people think of is physical. Some other important forms are related to alcohol, tobacco, and cocaine use. There are many effects resulting from the use of alcohol, tobacco, and cocaine during pregnancy. One form of abuse a fet...

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...