What is the human heart made of?

The heart is made of cardiac muscle cells, which are connected to one entity, conncective tissue, vessels, and a specialised conduction system consistilng of 3 pacemakers and some 'fibres'. read more

The human heart is a pump made of muscle that pushes blood through the human body. The heart contains the aorta, anterior vena cava, semilunar valve, right atrium, right ventride, posterior vena cava, pulmonary artery, pulmonary vein, septum and left ventricle. read more

The heart is one of the most important organs in the entire human body. It is really nothing more than a pump, composed of muscle which pumps blood throughout the body, beating approximately 72 times per minute of our lives. read more

The human heart is situated in the middle mediastinum, at the level of thoracic vertebrae T5-T8. A double-membraned sac called the pericardium surrounds the heart and attaches to the mediastinum. The back surface of the heart lies near the vertebral column, and the front surface sits behind the sternum and rib cartilages. read more