The correct option is B tongue
Tongue is a fleshy muscular organ in the mouth of a mammal. It helps in ingestion, chewing, and swallowing of food. It also helps in mixing of food with saliva, speech, etc. It contains taste buds which have receptors which helps in sensing the taste of the food being ingested. The taste buds in different parts of the tongue respond to sweet, sour, bitter, salty or umami taste.