Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

The heart is a unidirectional pump. Valves are present to prevent the backflow of blood. This unidirectional flow of blood through the heart shows that mammals have a double circulatory system. This ...

The Norwood procedure for hypoplastic left heart syndrome is one of the most complex neonatal surgeries. Even after ...

You remember how Dorothy, Toto, and the rest of the gang were trying to make their way to see the Wizard of Oz? That’s kind of how veins work in relation to your heart. Your heart is the wizard, and ...