The heart is located inside the rib cage and just to the right of the breast bone.
Actually, the heart is located in the thoracic cavity, between the lungs, and slightly towards the left side of the chest. It is not located to the right of the breastbone. The heart is protected by the rib cage, but it is situated more towards the center of the chest.
The heart has four chambers and is divided into a right and left side by a muscular wall called the sternum.
Apologies for any confusion, but the information provided is incorrect. The heart does indeed have four chambers: two atria (left and right) and two ventricles (left and right). However, the heart is not divided by the sternum. The sternum is actually the breastbone, a long, flat bone located in the center of the chest. The heart is situated behind the sternum, slightly towards the left side of the chest. It is divided into right and left sides by a muscular wall called the septum, not the sternum.
The two atria hold the blood that circulates away from the heart.
I'm sorry, but that statement is not accurate. The two atria of the heart receive blood that is returning to the heart, not blood that circulates away from it.
The right atrium receives deoxygenated blood from the body through the superior and inferior vena cava, while the left atrium receives oxygenated blood from the lungs through the pulmonary veins. The blood then flows from the atria into the ventricles, which pump the blood out of the heart to circulate to various parts of the body (left ventricle pumps oxygenated blood to the body, while the right ventricle pumps deoxygenated blood to the lungs for oxygenation).
The heart has four one way valves which open and close with each heartbeat.
Yes, that is correct! The heart has four one-way valves that help ensure the proper flow of blood through the heart chambers. These valves include:
1. Tricuspid valve: Located between the right atrium and right ventricle.
2. Pulmonary valve: Located between the right ventricle and the pulmonary artery.
3. Mitral valve (bicuspid valve): Located between the left atrium and left ventricle.
4. Aortic valve: Located between the left ventricle and the aorta.
These valves open and close with each heartbeat to allow blood to flow in one direction, preventing backflow and ensuring efficient circulation.