Heart | search
Click here to view Heart news from 60+ newspapers.
Bookmark or Share- Heart 101 | National Geographic - YouTube52K. 6M views 5 years ago #NationalGeographic #Educational #Hearts. The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this...
- How the Heart Works - The Heart | NHLBI, NIHThe heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body.
- Heart: Anatomy & Function - Cleveland ClinicThe heart is a fist-sized organ that pumps blood throughout your body. It’s your circulatory system ’s main organ. Muscle and tissue make up this powerhouse organ. 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.
- Heart - WikipediaThe heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
- How the Heart Works - What the Heart Looks Like | NHLBI, NIHYour 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.
More
