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.

Dec 6, 2025 · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double …

Jan 8, 2025 · Learn about the heart's anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats.

Nov 24, 2024 · This detailed anatomical illustration presents a cross-sectional view of the human heart, highlighting its major chambers, valves, and blood vessels through a modern, clear design.

Apr 15, 2025 · Studying the structure and function of the heart is essential for understanding how the body maintains homeostasis and responds to stress, activity, and disease. The heart is a …

Dec 26, 2024 · Explore the heart anatomy with its parts, names & a clear diagram. Learn how the heart functions & its crucial role in the circulatory system

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 …

5 days ago · Explore the anatomy and core functions of the heart with Innerbody's interactive 3D model.

Muscular organ that pumps blood through the body. The heart is a muscular organ that pumps blood throughout the body via the circulatory system. It is approximately the size of a fist and …

May 14, 2018 · Watch animations on blood flow and your heart valves. The American Heart Association explains how the healthy heart works.