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.

Think of your circulatory system like a complex plumbing network. ... Similarly, blood flow faces the greatest challenges reaching your toes, ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

Circulatory system: Blood vessels. Laid end-to-end, an adult's arteries, veins and capillaries would stretch for about 100,000 miles - enough to wrap around the world nearly four times.

HonorHealth Research Institute clinical trial, using non-surgical techniques, showed 86% of patients with a type of usually ...