2025年1月25日 · 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.

2022年3月24日 · Anatomy of the interior of the heart. This image shows the four chambers of the heart and the direction that blood flows through the heart. Oxygen-poor blood, shown in blue-purple, flows into the heart and is pumped out to the lungs. Then oxygen-rich blood, shown in red, is pumped out to the rest of the body, with the help of the heart valves.

2015年3月10日 · The heart is a mostly hollow, muscular organ composed of cardiac muscles and connective tissue that acts as a pump to distribute blood throughout the body’s tissues. The heart is the...

5 天之前 · Where is the heart located in the human body? 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 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 chambers. One chamber on the right receives blood with waste (from the body) and another chamber pumps it out toward the lungs where the waste is exhaled.

2008年9月18日 · Take an inside look at the heart, and learn interesting facts and tips for keeping it healthy. You've seen plenty of diagrams, but this is the real thing. The average heart expands and contracts about 100,000 times each day, pumping close to 2,000 gallons (7,571 liters) of blood throughout the body. Here, the parts of the heart are identified.

2025年1月22日 · 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 ventricles. The heart is composed of specialized muscle tissue, known as myocardium, and is encased within a double-layered protective sac called the

2024年12月26日 · Explore the heart anatomy with its parts, names & a clear diagram. Learn how the heart functions & its crucial role in the circulatory system

Your heart is slightly on the left side of your body. It sits between your right and left lungs. The left lung is slightly smaller to make room for the heart in your left chest. Your rib cage protects your heart. What does your heart look like? Your heart looks a little bit like an upside-down pyramid with rounded edges.

2024年11月11日 · Here’s a quick look at its structure: Think of the heart as having "faces"—there’s a base (mostly the left atrium), a bottom surface touching the diaphragm, a front surface facing your sternum, and sides called pulmonary surfaces that nestle next to your lungs.