Crank: High Voltage
5. Falls thousands of feet from a helicopter, bounces off the roof of a car and lands on the pavement
“This could happen. There have been several famous sky diving accidents where people have survived falls from ridiculous altitudes.
"There was a guy who jumped from a burning Lancaster bomber in World War II. He woke up in a pine forest with a sprained ankle, smoked a cigarette and then got caught by the Germans a while later.
"When they released him from the POW camp at the end of the war, the Germans gave him a certificate to prove that he was telling the truth!”
6. Has his heart removed and replaced with an artificial version
“Well, you can't just shove one in a chest and say, 'That's you sorted, mate!' We're not there yet.
"But there are some artificial hearts that can be fitted and act as a bridge until a proper heart transplant can be done. One called the Aviocore has a coil under the surface of the skin on the chest and uses induction to charge. You put another coil on the outside over that one, which is connected to an external power source.
"And yes - there is a built-in internal battery which gives you about 20-30 minutes of power. So there's a grain of truth in the movie's artificial-heart premise. It's not such a daft thing...”