Who invented the game of cards? Detailed answer

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Who invented the game of cards? Detailed answer

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Who invented the game of cards?

It is believed that the Chinese in 1120. The shape of the cards, drawings and figures on them were, of course, different, but the purpose of those cards remained unchanged.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

How does a snake inject its venom?

In poisonous snakes, one of the salivary glands produces a substance that is dangerous to the victim. This substance is snake venom. The venom of some snakes is so dangerous that it can kill an elephant. In others, this substance is not so toxic. They can only kill a small lizard. Only two hundred venomous snakes out of 412 known species are considered dangerous to humans. Two of them are African snakes: rattlesnake and flying. They have fangs in their mouths.

Fangs are two or three teeth, greatly enlarged and having a groove on one side. Just above the fangs there is an opening leading to a poison-producing gland. When a venomous snake bites, the venom enters the trough and flows through it into the wound made by the fang. The cobra has fangs at the front of its mouth, one on each side. In most cobras, the canine groove is covered, forming a tube. The venom gland is surrounded by muscles. When the snake bites, the muscles press on the gland. This entails the flow of poison into the gutter, and then through the fang into the victim.

A cobra can inject venom from a fang, just like a liquid from a syringe. It's a spitting cobra. She aims directly at the victim's eyes. Its jet reaches almost 2,5 meters and almost always causes blindness. Poisonous snakes have a very perfect venom delivery system. Their fangs are very long, but can fit into the mouth so that the mouth can close. When the mouth opens to bite, the jaw moves forward, carrying the fangs at the correct angle to the throat.

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