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.
Inland Taipan (Markus Oulehla/Flickr) Many snakes are poisonous, but the inland taipan is among the most deadly on the planet. The inland taipan lives in Australia and has a neurotoxin in its venom which is capable of killing a person within 45 minutes. Thankfully, the inland taipanâs bite can readily be treated.