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* Internet Search Results    *** Search Filter: "Heart"    How the Heart Works - What the Heart Looks Like | NHLBI, NIH Your heart is in the center of your chest, near your lungs. It has four hollow chambers surrounded by muscle and other heart tissue. The chambers are separated by heart valves, which make sure that the blood keeps flowing in the right direction. Read more about heart valves and how they help blood flow through the heart. Anatomy of the interior of the heart. This image shows the four chambers ... How the Heart Works - How the Heart Beats | NHLBI, NIH Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. Your heart's electrical system determines how fast your heart beats. How the Heart Works - How Blood Flows through the Heart | NHLBI, NIH Oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava. The blood enters the heart's right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs. How the Heart Works - NHLBI, NIH The heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body. Your blood carries the oxygen and nutrients that your organs need to ... What Is Coronary Heart Disease? - NHLBI, NIH Coronary heart disease is a type of heart disease that occurs when the arteries of the heart cannot deliver enough oxygen -rich blood to the heart muscle due to narrowing from the buildup of fatty deposits called plaque . It is also sometimes called coronary artery disease or ischemic heart disease. American Heart Month | NHLBI, NIH Heart disease is the leading cause of death in the U.S. but impacts some communities disproportionately. Join efforts around the country to promote heart health in your community. Heart disease - Symptoms and causes - Mayo Clinic Symptoms Heart disease symptoms depend on the type of heart disease. Symptoms of heart disease in the blood vessels Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle. A buildup of fats, cholesterol and other substances in and on the artery walls usually causes coronary artery ... Coronary Heart Disease Risk Factors - NHLBI, NIH Your risk of coronary heart disease increases based on the number of risk factors you have and how serious they are. Some risk factors — such as high blood pressure and unhealthy cholesterol levels can be adjusted through heart-healthy lifestyle changes. Other risk factors, such as your age, family history, and race and ethnicity, cannot be changed. Heart and Vascular Diseases - NHLBI, NIH Heart and vascular, or cardiovascular, diseases include conditions such as arrhythmias, coronary heart disease, heart attack, high blood pressure, congenital heart defects, vascular dementia, and stroke. The National Heart, Lung, and Blood Institute (NHLBI) supports research on the causes, diagnosis, treatment, and prevention of heart and vascular diseases, and the interplay of these diseases ... What Is Heart Failure? - NHLBI, NIH Heart failure is a condition that occurs when your heart can't pump enough blood for your body's needs. Learn about the symptoms, causes, risk factors, and treatments for heart failure.       * Latest Lyme Disease 101 News        *** News Filter: "Heart"     Personalised Heart Shaped Mood Locket - Fun Name Necklace Gift For Birthdays & Christmas  umlconnector.com Heart Chicken Craft - Simple Valentines Day Card Idea - Easy Peasy And Fun  Prost International Seven Acres of Poolside Fun in the Heart of Dallas 👙🩳  TravelPirates Why holiday fun, food and alcohol can be bad for your heart if you’re not careful  Houston Public Media 4 ways to make this summer as safe as it is fun  www.heart.org Fun Friday: 'Flipz Up Your Game Day,' Ingredion heart health railcar, Cinemark hosts Bring Your Own Bucket  Snack Food & Wholesale Bakery Enjoy family fun at Heart 4 Souls Community Outreach event  WTOC Lily King on Campus Novels, Time Jumps, and Having Fun While Writing  Literary Hub Root canals aren’t fun, but a study suggests they are good for your health  The Washington Post For the faint of heart: Three Halloween movies that bring fun, not fear  Kentucky Kernel