heart problems chapter 1 - Chapters
“Structural heart disease” is an umbrella term that refers to conditions that affect different structures within the heart. Some of these problems can be present at birth, while others develop later ... Rheumatic heart disease is a serious complication of Group A Streptococcus infection.
Understanding the Context
It can cause damage to the valves in your heart and may cause severe heart problems in the future. Rheumatic heart ... Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds.
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Key Insights
In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [4] Your heart contains four muscular sections (chambers) that briefly hold blood before moving it. Electrical impulses make your heart beat, moving blood through these chambers. Your brain and nervous system direct your heart’s function. Heart rose to fame with music influenced by hard rock and heavy metal [4] as well as folk music.
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The band underwent a major lineup change between the late 1970s and the early 1980s; by 1982 Fisher, Fossen, and Derosier all had left and were replaced by Mark Andes (bass) and Denny Carmassi (drums). Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life. Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living.