The heart is a muscular organ that pumps blood throughout the body, supplying oxygen and nutrients to tissues and removing carbon dioxide and waste products. It is a key component of the circulatory system and is located in the thoracic cavity, between the lungs, slightly tilted to the left.
The heart is protected by a double walled membranous bag.
Significance of Pericardial Fluid
Our heart has four chambers: two relatively small upper chambers called atria or auricles and two larger lower chambers called ventricles.
Significance of Valves in Heart
Significance of Chordae Tendineae and Papillary Muscles
Types of heart on the basis of source of Heart Beat
Number of Beats Per Minute
(Session 2025 - 26)