The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium. Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich ...

Is your heart working fine and your blood pressure is not low? Scroll down to know the top 7 signs of a healthy heart that ...

blood flows into the heart from a vein, goes into an atrium, then a ventricle, and out through an artery. The valves prevent the blood flowing backwards. The heart is relaxed and blood flows into ...

Men who currently use or have a history of using anabolic androgenic steroids exhibit impaired myocardial flow reserve, indicating coronary microvascular dysfunction. This impairment appears to ...