Human Heart – Structure & Functions
Introduction
The human heart is a muscular organ responsible for pumping blood throughout the body. It
ensures continuous circulation of oxygen and nutrients.
Location & Size
The heart is located in the chest cavity between the lungs and slightly tilted to the left. It is roughly
the size of a closed fist.
Structure of the Heart
The heart consists of four chambers: Right Atrium, Right Ventricle, Left Atrium, and Left Ventricle.
The atria receive blood, while the ventricles pump blood out.
Introduction
The human heart is a muscular organ responsible for pumping blood throughout the body. It
ensures continuous circulation of oxygen and nutrients.
Location & Size
The heart is located in the chest cavity between the lungs and slightly tilted to the left. It is roughly
the size of a closed fist.
Structure of the Heart
The heart consists of four chambers: Right Atrium, Right Ventricle, Left Atrium, and Left Ventricle.
The atria receive blood, while the ventricles pump blood out.