Intravenous Injection of Chemotherapy. It is very common for chemotherapy medications to be injected into a vein, or intravenously. In many cases, a nurse or doctor will insert a needle into your vein, often in your hand or arm, and the chemotherapy will be given through there.
5. Box Jellyfish. The Box Jellyfish is arguably the world's most toxic animal and is responsible for over 5,000 human casualties over the past 50 years. These pestilent creatures reside mainly in the waters near Australia, Japan, Hawaii, and the Phillipines.
3The longest venomous snake in the world. Â© Heiko Kiera/Fotolia The king cobra (Ophiophagus hannah) is the longest venomous snake in the world. Its bite delivers a tremendous amount of paralysis-inducing neurotoxins. The snakeâs venom is so strong and so voluminous that it can kill an elephant in just a few hours.