It goes round and round.

Oct 18, 2018 | Know Your Heart

It goes round and round. There are four heart valves. The mitral valve is the biggest, and lies between the left atrium and the left ventricle. The tricuspid valve regulates the blood flow between the right atrium and right ventricle....

It goes round and round.

Oct 15, 2018 | Know Your Heart

It goes round and round. If for any reason the ventricles are overloaded, gradually the heart will become weak. Ventricles push the blood and make it flow, but equally important are the heart valves, which allow blood flow in only the desired direction....