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.
Most Poisonous, Deadliest or Most Dangerous Snakes in The World. Black Mamba. Black Mamba, also known as Common Mamba, is considered as the longest poisonous snake in the African continent. The name does not refer to the color of its scales, but it is characteristic of the interior appearance of its mouth.