heart gifts by teresa reveals shocking truth now - Away State Journal
In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [4]
Your heart is the main organ of your cardiovascular system, a network of blood vessels that pumps blood throughout your body.
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.
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.
Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living.
American Heart Association | To be a relentless force for a world of ...
Blood is carried through the body in blood vessels called arteries and veins. The process of moving blood through the body is called circulation. Together, the heart and vessels make up the cardiovascular system. The heart has four chambers (two atria and two ventricles).
