Heart - Wikipedia
Real-time MRI of the human heart The human heart is in the middle of the thorax, with its apex pointing to the left. [15] The human heart is situated in the mediastinum, at the level of thoracic …
Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
2024年12月9日 · 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 …
Human heart: Anatomy, function & facts - Live Science
2022年7月27日 · The human heart is an organ that pumps blood throughout the body via the vessels of the circulatory system, supplying oxygen and nutrients to the tissues and removing …
The Heart: Anatomy and 3D Illustrations - Innerbody
2 天之前 · 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 …
Heart: Anatomy & Function - Cleveland Clinic
As the main organ of your circulatory system, your heart keeps you alive. It pumps blood throughout your body, bringing oxygen to your cells and tissues. Since your heart plays such a …
How the Heart Works - What the Heart Looks Like - NHLBI, NIH
2022年3月24日 · Read more about heart valves and how they help blood flow through the heart. Anatomy of the interior of the heart. This image shows the four chambers of the heart and the …
Heart Anatomy: Complete Guide with Parts, Names & Diagram
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 …
Heart - Structure, Function, Anatomy, Location, Diagram
3 天之前 · 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 consists of four chambers: two atria and two …
Heart Anatomy: Diagram, Blood Flow and Functions - MedicineNet
2025年1月8日 · The seven main functions of the heart include pumping blood throughout the body, delivering oxygen to tissues, removing waste from tissues, controlling heart rate, …
Heart Anatomy: Labeled Diagram and Quick Reference - Verywell …
2024年6月11日 · 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 …