Download What Are The 4 Main Parts Of The Heart PNG. The heart pumps blood with a rhythm determined by a group of pacemaking cells in the sinoatrial node. The myocardium is the main tissue of the heart that helps in the transportation of deoxygenated blood to the lings and to the rest part of the body.
If it stops pumping blood you cannot survive. This organ, the main nucleus of the cardiovascular system, allows the blood to travel and irrigate the different organs of our body. The right atrium receives 9.
The heart has four chambers.
The cell passes the right atrium, where it meets with blood from the lower part of the body from the inferior vena cava. The most important part of the skeleton is the backbone. The heart is the main organ in the circulatory system since it pumps blood with each heartbeat. Heart chambers, valves, vessels, wall and conduction system the heart is made up of four.