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.
Snake's Description : Philippine Cobra is a relatively small stocky brown snake. Snake's Toxic Rank 3: Philippine Cobra is the world's No.3 venomous snake. Extremely poisonous snake after Common Indian Krait. Please don't judge this snake on its small size, it is most deadliest snake from Philippine.