The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

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 biomedical researchers need to test their latest ideas, they often turn to engineered human tissue that mimics the ...

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 ...

Using magnetic cameras, researchers at Linköping University, Sweden, have examined blood flow in an artificial heart in real ...

Maintaining good blood circulation is essential for overall health and a strong heart. Poor circulation can cause symptoms like fatigue, cold hands and feet, and increase the risk of serious ...

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 ...

Like most vertebrates, humans only have one heart, which is usually located near the front and middle of the chest, slightly ...

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 ...

New research has revealed that red blood cells function as critical immune sensors by binding cell-free DNA, called nucleic acid, present in the body's circulation during sepsis and COVID-19, and that ...