Heart: Anatomy & Function - Cleveland Clinic
What are the parts of the heart? The parts of your heart are like the parts of a building. Your heart anatomy includes: Walls. Chambers that are like rooms. Valves that open and close like doors to the rooms. Blood vessels like plumbing pipes that run through a building. An electrical conduction system like electrical power that runs through a ...
Heart | Structure, Function, Diagram, Anatomy, & Facts ...
2024年9月25日 · In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on the diaphragm, the muscular partition between the chest and the abdominal cavity. The heart consists of several …
All Parts of Heart Anatomy - Verywell Health
2024年6月11日 · The heart is the pump that moves blood around your body. It has four main parts: two upper chambers called atria and two lower chambers called ventricles. These parts work together to get oxygen-rich blood to your body and oxygen-poor blood back to your heart.
Heart anatomy: Structure, valves, coronary vessels | Kenhub
2023年11月3日 · The heart has five surfaces: base (posterior), diaphragmatic (inferior), sternocostal (anterior), and left and right pulmonary surfaces. It also has several margins: right, left, superior, and inferior: The right margin is the small section of the right atrium that extends between the superior and inferior vena cava.
Anatomy of the human heart - Wikipedia
The heart has the shape of a pyramid, with its apex pointing towards the left nipple while its base forms the posterior surface of the heart. Other surfaces are the anterior, inferior (or diaphragmatic), and two pulmonary surfaces facing the lungs.
How the Heart Works - What the Heart Looks Like - NHLBI, NIH
2022年3月24日 · The heart is made of three layers of tissue. Endocardium is the thin inner lining of the heart chambers and also forms the surface of the valves. Myocardium is the thick middle layer of muscle that allows your heart chambers to contract and relax to pump blood to your body.
Heart Pictures, Diagram & Anatomy | Body Maps - Healthline
2015年3月10日 · The heart is divided into four chambers: two atria and two ventricles. Blood is transported through the body via a complex network of veins and arteries. The average human heart weighs...