The Ultimate Death Quiz

The top five causes of death in high-income countries, according to the World Health Organization, are coronary heart disease, stroke, lung cancer, lower respiratory infections and pulmonary disease. HIV/AIDS is one of the top five killers in low-income countries.

Brain cells start to die three to seven minutes after the heart stops beating, a point known as biological death.

Sorry, hairs and fingernails aren't magical -- they only seem to grow because the skin shrinks.

You get a gold star if you identified denial, anger, bargaining, depression and acceptance as the correct order.

After the heart stops beating, the body immediately begins to turn cold, a phase known as algor mortis.

Before the invention of the stethoscope, people performed Balfour's test to check if someone was dead. The test involved sticking needles through the skin into the heart, then watching to see if the needles moved, indicating a heartbeat.

In 1968, Harvard Medical School defined death as irreversible damage to the brain, or brain death.

Bengt Ekerot portrays Death and Max von Sydow plays Antonius Block in Bergman's film about the ultimate game of chess.

From 1347 to 1351, 25 million people, or one-third of Europe's population at the time, met their end.