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.
2. Poison Dart Frog. Of all the poisonous animals in the world, these are probably the easiest to spot due to their extremely bright colors, including yellow, blue, green, & red. These frogs don't actually inject their poison through their mouth; they do it through their skin.
The Inland Taipan (Oxyuranus microlepidotus) is Australia's deadliest snake. Also known as the Fierce Snake, it has the most toxic venom of all Australian snakes. The highesâ¦t recorded venom yield is 110mg, enough to kill over 100 people or 250,000 mice.