2025年1月27日 · In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the muscular partition between the chest and the abdominal cavity. What is the heart wall made up of? The heart consists of several layers of a tough muscular wall, the myocardium.

Well-Labelled Diagram of Heart. The heart is made up of four chambers: The upper two chambers of the heart are called auricles. The lower two chambers of the heart are called ventricles. The heart wall is made up of three layers: The outer layer of the heart wall is called epicardium. The middle layer of the heart wall is called myocardium. The ...

2025年1月25日 · Explore the anatomy and core functions of the heart with Innerbody's interactive 3D model. The heart is a muscular organ about the size of a closed fist that functions as the body's circulatory pump.

2024年12月26日 · In human anatomy, the heart is roughly the size of a closed fist and lies between the lungs in the chest’s central area. This area is known as the mediastinum. It has four chambers: two upper atria (right and left) and two lower ventricles (right and left).

2024年6月11日 · Understanding its basic anatomy is crucial to understanding how it functions. This article provides a comprehensive look at the heart's structure with a detailed, labeled diagram and realistic photos, guiding you through each part and its role in the circulatory system.

2024年10月2日 · Figure 1 - Anatomy of the heart: anatomical illustrations and structures, 3D model and photographs of dissection. Some illustrations have been drawn and coloured with Adobe Photoshop. Figure 2 - Heart - Human anatomy : Cross sections (Right/left ventricle, Right/left atrium, Interventricular septum)

2024年3月15日 · The structure of a heart diagram includes four chambers (two atria and two ventricles), four valves, three layers (pericardium, myocardium, endocardium), and major blood vessels like the aorta, pulmonary artery, pulmonary veins, and vena cavae.

2025年1月5日 · Detailed Anatomy of the Human Heart: Understanding Major Vessels and Structures. The human heart is a complex organ featuring an intricate network of blood vessels, chambers, and supporting structures that work together to …

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...

2020年9月17日 · Here is a human heart diagram showing a top view of the heart - as if you were looking down on the heart. As shown below, this human heart diagram clearly illustrates the valves of the heart. The valves illustrated below are the …