1.   Some animals, such as venomous snakes and spiders, inject venoms in order to immobilise and kill their prey.

2.   The venom is injected by means of long, hollow teeth called fangs.

3.   Except for the part where to deaden the lip, killer bee venom was injected in three places.

4.   One is the tarantula hawk, a wasp that injects paralyzing venom into tarantulas, then drags them back to its den to feed its offspring.