Mortal poison: Understanding Snake Venom and How It Works

Most venomous snakes inject venom into their prey with their fangs. Fangs are highly effective at delivering venom as they pierce tissue and allow venom to flow into the wound. Some snakes are also able to spit or eject venom as a defense mechanism. Venom injection systems contain four main components: venom glands, muscles, ducts, and fangs.