Jan 27, 2025 · 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.

4 days ago · 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.

Dec 26, 2024 · 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).

Jan 13, 2025 · This clear and comprehensive anatomical illustration presents the fundamental structures of the human heart with precise labeling and color-coding. The diagram effectively distinguishes between oxygenated (red) and deoxygenated (blue) blood pathways, while showcasing the heart's chambers, valves, and major vessels in an easy-to-understand format.

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 ...

Jun 11, 2024 · 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.

Oct 2, 2024 · 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)

Mar 15, 2024 · 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.

Below is a list of all the human heart diagrams and pictures included in this post: Normal Human Heart Anatomy: Anterior Anatomic view. Human Heart Anatomy: Left oblique View. Human Heart Anatomy: Apical 4-chamber anatomy of the human heart. If you click on the images, you will see them in Full Size. Feel free to download and use them as necessary.

Sep 17, 2020 · 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 …