Heart anatomy: Structure, valves, coronary vessels | Kenhub
2023年11月3日 · 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 found in the middle mediastinum, wrapped in a two-layered serous sac called the pericardium.
Heart - Wikipedia
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as …
Heart 101 | National Geographic - YouTube
2019年2月21日 · The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this muscular organ provides life-giving o...
How the Heart Works - What the Heart Looks Like - NHLBI, NIH
2022年3月24日 · Your heart is in the center of your chest, near your lungs. It has four hollow chambers surrounded by muscle and other heart tissue. The chambers are separated by heart valves, which make sure that the blood keeps flowing in the right direction. Read more about heart valves and how they help blood flow through the heart.
The Heart: Anatomy and 3D Illustrations - Innerbody
2024年11月27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.
Atlas of Human Cardiac Anatomy - Medical School
The altas of human cardiac anatomy has live videos and still images of reanimated human hearts in a variety of views.
Heart: illustrated anatomy | e-Anatomy - IMAIOS
2024年10月2日 · Anatomy of the human heart and coronaries: how to visualize anatomic structures. This tool provides access to several medical illustrations, allowing the user to interactively discover heart anatomy. Images are labelled, providing an invaluable medical and anatomical tool. The test mode allows instant evaluation of user progress.
Anatomy of the Human Heart - Physiopedia
The heart is situated at the centre of the chest and points slightly towards the left. On average, the heart beats about 100,000 times a day, i.e., around 3 billion beats in a lifetime. An adult heart beats about 60 to 80 times per minute, and newborn babies heart beats faster than an adult which is about 70 to 190 beats per minute.
Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
2024年10月31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 double pump that is the center of the circulatory system in humans, other mammals, and birds.
Human Heart Anatomy (3D Medical Animation) - YouTube
2019年10月24日 · Using state of the art 3D animation techniques, this video shows the anatomy of the heart. Includes close ups of the superior vena cava, rights and left atr...