This is an image showing the external structure of human heart. The human heart is a four-chambered muscular organ. Superior vena cava and inferior vena cava receives deoxygenated blood from body tissues and passes it to heart. Aorta receives oxygenated blood from heart and passes it to all the body tissues
External Structure of Human Heart:
This is an image showing the external structure of human heart. The human heart is a four-chambered muscular organ. Superior vena cava and inferior vena cava receives deoxygenated blood from body tissues and passes it to heart. Aorta receives oxygenated blood from heart and passes it to all the body tissues