It certainly is, and the distinction is very basic. In the simplest terms, heart failure occurs when the heart is unable to pump enough blood to meet the body’s needs. If there is failure in the left side of the heart (which pumps oxygenated blood from the lungs to the body), it causes fluids to back up and accumulate in the lungs. If there is failure in the right side of the heart (which pumps... 

Heart blood vessels and veins arteries Although light in weight and compact in size, the heart is remarkably successful in performing its life-sustaining work: pumping blood that is rich in oxygen and nutrients to every cell in the body and carrying of waste products, such as carbon dioxide. The task is not easy, for there thousands of kilometers of blood vessels in the body, and the heart must beat... 

How to prevent yawning? The scene: a crowded room in the late evening. Suddenly, one person yawns. Before long, others flow suit, accusing the rest to yawn of having started the mass display of tiredness and boredom. We have all had experiences of that kind, yet many researchers dispute that yawning is contagious. A likely explanation is that when one yaw follows an other it becomes the subject of... 

high blood pressure We all have blood pressure of a kind. If we didn’t, blood wouldn’t flow from the heart and through the arteries. This pressure has two forms. When heart contacts, blood reaches its highest – systolic – pressure. When the heart relaxes between beats, the pressure falls to its lowest – diastolic – phase. Your doctor measures these pressures in... 

human heart Forget the songs and the car stickers that equate the heart with love. The organ that beats in every breast has nothing to do with emotions, though it often reacts to them. The heart is phenomenal workhorse, a pump that beats continuously and regularly, about seventy times a minute, every hour of the day and night, for perhaps as long as a century. It is the...