Structure of the Heart

What is the Heart ?
An overview of the structure of the heart with a bird's eye view of the make-up of the heart, its chambers, valves and blood vessels.

The Atrium - Storage Chamber and Booster Pump
A description of the thin walled upper chambers of the human heart.

Atrio-Ventricular Valves
An account of the valves between the atria and ventricles that maintain uni-directional blood flow within the heart chambers.

Atrial and Ventricular Septa
A description of the walls that partition the heart into four chambers.

Coronary Arteries - Life line of the heart
An account of the human coronary arteries that provide blood and nutrients to the heart muscle itself.

The Semi-lunar Valves
The half-moon shaped valves located between the ventricles and great arteries are discussed in this article.

The Ventricles - "Power Pumpers"
The portion of the heart that is the major pump to maintain blood circulation.