The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure. This structure–function relationship is a foundation of many ...

Cardiologists reveal the unexpected symptoms of clogged arteries and underlying heart disease that you should know about.

In the brain, oxygenated blood travels through an extensive and central cerebral arterial circle. This network is called the circle of Willis. The posterior communicating artery makes up a large part ...

The femoral artery is one of the major blood vessels in your body. It carries blood to the lower half of your body. Blood circulation is an essential function since the tissues in your body need the ...