HUMAN NUTRITION

Detailed explanation-1: -According to the map, we detect sweetness on the tip of our tongue, bitterness at the back, and saltiness and sourness along the sides.

Detailed explanation-2: -Bitter in the back, sweet in front: A common myth Sweet, sour, salty, bitter and savory tastes can actually be sensed by all parts of the tongue. Only the sides of the tongue are more sensitive than the middle overall.

Detailed explanation-3: -Sweetness is the preferred taste of humans and many animals, likely because sugars are a primary source of energy. In many mammals, sweet compounds are sensed in the tongue by the gustatory organ, the taste buds.

Detailed explanation-4: -The tip of the tongue is most sensitive to sweet and salty substances, the side to sour, while the back is most sensitive to bitter taste.

Detailed explanation-5: -Sweetness is one of at least five basic tastes detected by the tongue’s taste buds. Others include sourness, saltiness, bitterness, and a balanced flavor called umami. Normally you’ll only taste sweetness after eating something that contains sugar.