The different kinds of papillae on the tongue are placed on various parts of the tongue. They are highly sensitive to the better sensation as they represent substances that include toxins. Which are triggered last before we swallow? Foliate fungiform fill form Why is the share of the car\'s pinna so very important for someone\'s hearing? Solution Please find the answers and explanations below: Answer 5: Choice D (The viscero-receptors are receptors with specialized nerve endings and are distributed throughout the visceral organs. They have the specialized funciton of perception against ill-feelings and pains when a foreign material/food is ingested. Owing to presence of these receptors in the stomach and initial part of the GI tract, the gut muscles are capable of generating vomiting tendency in order to egest out that foreign material). Answer 6: Choice D (The taste buds for bitter taste are located in the back part of the tongue which is comprised of circumvalate papillae. These highly sensitive papillae represent the last ones which are encountered by the ingesting food items before entering the stomach.).