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 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...

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 ...

Late one afternoon, a lady was driving home in the rush hour traffic. The last thing she needed was a pounding headache. While she was stopped, she dug in her purse for some aspirin to relieve her headache. She chugged it down with the Pepsi sitting by the seat. Her only worry was to relieve h...

Lupus is a chronic, autoimmune disease which causes inflammation of various parts of the body, especially the skin, joints, blood and kidneys. The body's immune system normally makes proteins called antibodies to protect the body against viruses, bacteria and other foreign materials. Th...

Emotional Stress In our society of today, stress plays a big role in our daily lives. Stress is what moves us, and it can also be what harms us. Yes, stress is what motivates us to do things efficiently, but it is also what can cause serious diseases to occur such as heart disease or cancer. Str...

CIGARETTE SMOKING AND THE BODY Tobacco is consumed worldwide everyday by millions of people. Many people cannot prevent themselves from smoking because tobacco contains a drug called nicotine that makes them feel as if they need it in order to function normally. Nicotine is a substance found in t...

CIGARETTE SMOKING AND THE BODY Tobacco is consumed worldwide everyday by millions of people. Many people cannot prevent themselves from smoking because tobacco contains a drug called nicotine that makes them feel as if they need it in order to function normally. Nicotine is a substance found in t...

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....

Pathology Peripheral Vascular Disease PVD It is related to Arteriosclerosis Obliterans, defined as arteriosclerosis in which proliferation of the intima has caused complete obliteration of the lumen of the artery, is also known as atherosclerotic occlusive disease. Occlusive disease of the femo...

Potassium, which is the nineteenth element in the Periodic Table, influences the health of all living things. Whether it be used in a medicine or in certain amounts in dietary supplements, it helps all living things to improve the quality of life. Potassium has many uses, ranging from those of e...

Platelets are flattened discs that are round from above and spindle shaped section. Megakaryocytes are very active cells that continually make proteins, enzymes, and membranes. But instead of getting bigger. They just shed small membrane-enclosed packets of cytoplasm into circulation. This is where ...

Marfan's Syndrome In 1896 the French pediatrician Antonin Marfan first characterized and named the disease Marfan's Syndrome, also known as Arachnodatyly an MFS. In the past many have suffered, even died due to the lack of knowledge held by the medical profession pertaining to complicat...

Rheumatoid Arthritis Autoimmune diseases are illnesses that occur when the body's tissue mistakenly attacks its own immune system. Patients with these types of diseases have antibodies in their blood that target their own body's tissues. Rheumatoid arthritis is an autoimmune dise...

According to the Cancer Book from the American Cancer Society, Leukemia is a cancer of the blood. It was first identified as a new disease in around 1830 in Germany. The scientific term, "leukemia," comes from the Greek words that mean "white blood." The disease is described as a cancerou...

Acquired immune deficiency syndrome, also known as AIDS, is a silent invader. The first cases of this disease were reported in the early 1980's. AIDS is caused by the infection known as human immunodeficiency virus (HIV), which is a microscopic organism that can grow and multiply ins...

The Creation of a Child The birth of a child is a beautiful thing. Most parents will do anything for their children, and when their child's life is threatened, it seems like the parents of that child life is also threatened. Every day children are born with deadly diseases, nutritional def...

Prenatal Care It is very important that you begin your prenatal care early, and continue this care regularly throughout your pregnancy. You want to give your baby a healthy start in life. You also want to make sure that you stay healthy, too. Your health, and your baby's health, are closely...

A middle aged woman is forced to lose weight because she can no longer keep up with the rigorous schedule of her three teenage sons and four year old daughter. She feels as if exercise will take up too much time that she does not have, but she has heard dietary supplements pose several health risks...

SCIENTIFIC PROGRESS CAN DESTROY THE MORAL AND ETHICAL FIBRE OF SOCIETY Scientific progress can destroy the moral and ethical fibre of society, well that is the question puzzling the people for 70 years. The first attempt at cloning happened in1938 by Hans Spumone he was the first man to success...

Smoking is bad for your body and your overall health. There are many side affects that can hurt and even kill your body. It also can harm your lungs and make it hard for you to breathe. When you look at the statistics I don't understand why people do smoke. Cigarette smoking is the most...

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...

Hypoxia Hypoxia is a condition in humans that is caused by the reduction in partial pressure of oxygen, inadequate oxygen transport, or when tissues are simply unable to make use of the oxygen provided. This disease occurs in the tissues and brain. It results in a shortness of breath, and an...

Physiology Exam Directions: The following exam consists of various types of questions designed to test the critical reasoning skills of the examinee. Answers are found on the following page, with rationales. This is a Twenty question test, with an allotted time of 45 minutes to indulge one...

INTRODUCTION: The body is constituted of different types of cells which unite together to form contrary tissues. Tissues are a group of similar cells and their intercellular substance specialized to perform a specific function; primary tissue types of the body are epithelial, connective, muscle, an...