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 ...

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...

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...

The Cardiovascular System-Blood Pressure and The ECG Blood pressure is the force of blood distending the arterial walls. Blood pressure is measured in the Brachial artery using a sphygmomanometer, the average resting bp in a normal person is 120/80. The higher number is the systolic blood pres...

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...

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...

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...

Table of Contents I. Introduction A. Attention Grabber!!! B. Purpose of the paper 1. To explain how chemistry is part of my life. II. Body A. An in depth look at heart disease. B. Causes and symptoms C. Explanation on how chemistry is used to treat and in some cases cure h...

The Grange Family enjoys eating together as a family whenever they can. But an issue for them is the health problems of each of the individual family members, and being able to prepare one dish that is applicable and satisfying to each individuals needs. The goal is to prepare a budget family meal t...

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...

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....

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...

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...

The heart is a hollow muscular organ. It is located between the lungs approximately in the middle of the chest. It is positioned in the thoracic cavity between the sternum and the vertebrae. It was placed there meticulously so that it can be compressed or squeezed in case of emergency. The heart is ...

BUTTERFLIES: Butterflies are flying insects, which comprise the order Lepidoptera with. There are about 15,000 to 20,000 kinds of butterflies. Butterflies are holometobore insects. The largest butterfly ever found is the Queen Alexandra's butterfly. Scientific and non-scientific ...

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...

Working out A person's body is a remarkable thing. It conditions itself to suit its environment. A farmer who hauls hay in a field has a strong, lean body build. A person who sits and eats all day has a more relaxed and "lazy" body build. A body becomes complacent with the amount of...

CPR Many lives each year are saved because someone in the area of an accident was trained in CPR and was able to keep an injured victim alive long enough for the paramedics to get to the scene. CPR or cardiopulmonary resuscitation is a technique of maintaining blood and oxygen flow through the ...

A Hole in the Heart Last month I have watched a commercial in the Philippines about a child asking for our donation for her operation in her heart. She was born with a hole in her heart, if her heart defect cannot be surgically corrected she would die at a very young age. I was stunned and pe...

Angina · Pain starts in the chest & can spread to neck, jaw & arms. Mainly occurs on the left hand side of the body. · The pain may either be a dull ache or a crushing feeling, causing breathlessness. · The pain occurs because not enough oxygen is getting to the heart, es...