Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

When you sit quietly for a moment listening to your heart pump blood through your body, do you think about blood vessels as a firehose drenching your organs and brain with red blood cells full of ...

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

Human bodies are designed to move in order to circulate blood and nutrients to every cell. Staying active and on the move is crucial to our health for a lot of reasons. But it's especially important ...

The team used human stem cells to create embryo-like structures dubbed “hematoids” that mirror some features of early human ...

An NIH-supported initiative seeks to unravel how the nervous system tracks and regulates the body’s internal organs. How does ...

The calf muscles play a vital role in blood circulation. They are often called the body's second heart. Strong calf muscles improve venous return and prevent blood pooling. Sedentary lifestyles weaken ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that ...

Researchers have developed brain-on-a-chip technology that uses human tissue to model how the brain’s protective barrier ...

Inflammation and low oxygen levels may cause cognitive problems. LUNGS Early evidence of oxygen limitations. CIRCULATORY SYSTEM Vascular damage and blood clots may trigger fatigue. IMMUNE SYSTEM ...

Onions provide antioxidant and anti-inflammatory compounds that may help reduce inflammation, regulate blood sugar, and ...