Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
Dec 6, 2025 · The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and another layer, the endocardium, …
Heart: Anatomy & Function - Cleveland Clinic
Jan 26, 2024 · Your heart contains four muscular sections (chambers) that briefly hold blood before moving it. Electrical impulses make your heart beat, moving blood through these …
Anatomy of the human heart - Wikipedia
The heart is a muscular organ situated in the mediastinum. It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right …
Structure of the Heart - SEER Training
The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane. The visceral layer of the serous membrane forms the epicardium. Three layers of …
Heart anatomy: Structure, valves, coronary vessels | Kenhub
Nov 3, 2023 · The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is found in the middle mediastinum, wrapped in a …
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Mar 24, 2022 · Blood flows from the body and lungs to the atria and from the atria to the ventricles. The ventricles pump blood out of the heart to the lungs and other parts of the body. …
Heart Anatomy: Complete Guide with Parts, Names & Diagram
Dec 26, 2024 · In this article, we will see the detailed anatomy of the heart with its different parts & systems that make every living thing breathe. Illustration of the human heart highlighting all …
Heart Anatomy: Labeled Diagram and Quick Reference
Sep 3, 2025 · 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 …
Heart Anatomy 101: Essential Guide to Cardiac Structure
Jan 13, 2025 · Understanding the internal cardiac anatomy is crucial for medical professionals in diagnosing and treating heart conditions. This knowledge forms the foundation for modern …
Heart Anatomy | Chambers, Valves, Conducting System
Learn heart anatomy including chambers, valves, the cardiac conduction system and coronary circulation. Essential foundation for clinical and cardiovascular learning.