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.
The Inland Taipan is the most poisonous snake on land, and arguably the most poisonous animal in the world. Keep your distance. 4. Blue-Ringed Octopus. If you enjoy swimming in the Pacific Ocean off the coasts of Australia & Japan beware of the Blue-ringed Octopus, considered to be one of the world's most toxic animals.
One animal is more venomous than any other. Snakes are famous for their venom, and justifiably so. Injected directly into the flesh by inch-long fangs or needle-sharp harpoons, venom is weaponised chemistry. In any list of the world's most venomous animals, snakes often get top billing. Not all snakes are venomous, but certain groups have evolved to channel toxins through grooves or tubes in their teeth.