Quote
"Mounds were made of the bodies of the slain, pillars of their heads."
"Not a week passed without the spilling of much Muslim blood and the running of streams of gore before the entrance of his palace. This included cutting people in half, skinning them alive, chopping off heads and displaying them on poles as a warning to others, or having prisoners tossed about by elephants with swords attached to their tusks."

Decapitation is the total separation of the head from the body. This injury is fatal to humans and all vertebrate animals, since it deprives the brain of oxygenated blood by way of severing the jugular vein and common carotid artery, while all other organs are deprived of the involuntary functions that are needed for the body to function.
"Mounds were made of the bodies of the slain, pillars of their heads."
"Strike them on their foreheads to tear them apart and over the necks to cut them off, and cut off their limbs, hands and feet."
"It happened that a man would go to strike at the neck of an unbeliever and his head would fall off before his sword was able to get there."
"When thy Lord inspired the angels, (saying): I am with you. So make those who believe stand firm. I will throw fear into the hearts of those who disbelieve. Then smite the necks and smite of them each finger."
"An order was given to set up a pillar of pagan heads on the ... hill between which and our camp the battle had been fought. (...) About 1000 men, women and children were made prisoner ; there as also great slaughter, and a pillar of heads was raised."
"How many infidels heads have you caused to be cut off? He said, There would be 200,000 heads so that there might be two rows of minarets of heads from Agra to Patna."