The Heart The heart is the most important muscle in the body, and is about the size of a fist. ... It is often associated with damage to the heart caused by a faulty heart valve. ... It is almost always associated with heart disease or recent heart attack, and can lead to ventricular fibrillation. ... Heart block: This occurs when the electrical pathways that run between your heart's upper and lower chambers become blocked, which slows the transmission of electrical impulses through your heart. ... Arrhythmias can also develop after a heart attack be...

• Word Count: 2852
• Approx Pages: 11
• Grade Level: High School

People who are overweight are at higher risk or heart diseases and illness.one in three adults are obese in the united states. ... In the documentary doctors and researches discuss how obesity is widely related the most of the heart problems in America. Children have become more at risk of getting high blood pressure and heart problems at young ages due to obesity. The fatter the body has to hold the harder the heart has to work pump blood throughout the body. This can cause clogged arteries which in turn can cause heart attacks, and many other heart diseases. ...

• Word Count: 3065
• Approx Pages: 12
• Grade Level: High School