The human circulatory system represents an intricate network of vessels that extends throughout the entire body. This complex arrangement of arteries, veins, and capillaries works continuously to ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

Cold hands and feet are not just uncomfortable—they can indicate poor circulation. Circulation is the body’s process of delivering oxygen and nutrients from the heart to muscles, skin, and organs.

A study has found a link between hardening of the arteries and blood clots in veins, a discovery that could spur new research on ways to prevent the life-threatening blockages. Researchers concluded ...

An arteriovenous fistula (AVF) is an abnormal joining of an artery and a vein. If an AVF is affecting health, early treatment can help prevent complications. An AVF occurs if an artery connects to a ...

Varicose veins are swollen, twisted veins caused by weakened valves that allow blood to pool. While often a cosmetic issue, they can pose health risks like blood clots and skin ulcers. Self-care ...

Throughout our lives, our bones are continuously remodeled to maintain strength, repair injuries and adapt to new stresses. Bone dynamics depend on two associated cell types: osteoblasts, which are ...

Dr. Chris, Dr. Xand and Dr. Ronx perform practical experiments to help students understand how different types of food affect energy levels and digestion, and contribute to a healthy heart.