
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
Your heart contains four muscular sections (chambers) that briefly hold blood before moving it. Electrical impulses make your heart beat, moving blood through these chambers.
Structure of the Heart - SEER Training
The human heart is a four-chambered muscular organ, shaped and sized roughly like a man's closed fist with two-thirds of the mass to the left of midline. The heart is enclosed in a …
Heart - Wikipedia
The wall of the heart is made up of three layers: epicardium, myocardium, and endocardium. [8] The heart pumps blood with a rhythm determined by a group of pacemaker cells in the …
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: Structure, valves, coronary vessels | Kenhub
Nov 3, 2023 · Overview of the anatomy and functions of the heart. The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is …
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 …
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. …
Detailed Anatomy of the Human Heart diagram - Anatomy Note
Jan 5, 2025 · The human heart is a complex organ featuring an intricate network of blood vessels, chambers, and supporting structures that work together to maintain circulation throughout the …
The Heart | Circulatory Anatomy - Visible Body
The heart is a hollow, muscular organ that pumps oxygenated blood throughout the body and deoxygenated blood to the lungs. This key circulatory system structure is comprised of four …