TetanusTetanus (AKA lockjaw) is a disease that affects the nervous system. The tetanus bacterium can get into the body through a tiny prick or scratch, but it usually happens after deep wounds like those made by a rusty nail. After the bacteria enter the body, it causes muscles spams. 

It’s also called “lock jaw” because your jaw can become so stiff that it makes it very hard to open the mouth or swallow. Tetanus is not spread from person to person.

See Tetanus in action

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