Heart Cycle|Cardiac Cycle. The heart beats 72 times per minute and the cardiac cycle refers to the cardiac events related to blood flow occurring in the heart during one complete heart beat. This blood flow is directed by the systole and diastole of the atria and the ventricles and the pressure changes which determine the [...]
Blood Flow in Heart. If you have read function of the heart, you will realize that there has to be a specialized system of blood flow in the heart that will allow the heart to perform its important function. The anatomy of the heart describes the complex heart structure which makes the blood flow in [...]
Left Atrium. The left atrium is the upper chamber in the left half of the heart. Previously, the atria were referred to as auricles and the left atrium was called the left auricle. It is separated from the right atrium by the atrial septum or the interatrial septum which has convexity to the left. The [...]
The Human Heart. The heart is the most important organ of the body and can only be described as a miracle creation, considering that the heart beats (contracts and relaxes) about 72 times per minute continuously, 24×7, for all the years that you live, by generating its own electric impulse. Arming yourself with some heart [...]