Before the invention of the heart-lung machine, what unusual method was sometimes used to oxygenate a patient's blood during surgery?

Daily use of lipstick may expose women to excessive amounts of which metal, known to be associated with stomach cancer?

Codeine, a common painkiller, is processed by the liver into what other substance to become effective?

What fluid primarily nourishes the cornea of the eye, since it lacks blood vessels?

What is the medical term for fainting at the sight of blood, a condition where the body overreacts to excitement?

What is the key mechanism that allows a cast saw to cut through a plaster cast without cutting the patient's skin?

Due to the way water filters light, what color does human blood typically appear to be when viewed at a depth of about 30 feet underwater?

There is an extremely rare blood type known as RH null. Because of its properties and rarity, it has been given a special nickname. What is this blood type commonly called?

While the human body can survive weeks without food, which organ begins to suffer irreversible damage after about 4–6 minutes without oxygen?

Which type of joint, found in the shoulder and hip, allows the widest range of motion in the human body?