Tag Archives: System

Concerns rise that the system for diagnosing epidemics is failing

Bloomberg—How big is the coronavirus outbreak? A lot bigger than we were initially told, it turns out. On Thursday, confirmed cases of Covid-19 in China’s Hubei Province—the epidemic’s epicenter—jumped by almost 15,000. It’s not that there was a sudden wave of new infections. Rather, the increase reflects a change in how China counts patients; it… Read More »

Where is your cardiovascular system

The blood also carries nutrients, hormones, waste products and sometimes medications through the body. Major Functions of the Cardiovascular System The cardiovascular system is crucial in many other ways, not just in moving oxygen and blood around. The heart works with the lungs to take oxygen to the farthest reaches of your body and exhale… Read More »

Why called cardiovascular system

The right atrium receives oxygen-poor blood from the body. The first sound occurs when the mitral and tricuspid valves close, the second when the pulmonary and aortic semilunar valves close. The two bottom chambers are the right ventricle and the left ventricle. Blood flows from the left atrium into the left ventricle. Condition in which… Read More »