Those are the four taste areas on your toungue
types of taste buds
Sweet, sour, bitter, salty
Definitely they are salty.
The tongue however does taste things that are: bitter, salty, sour and sweet.
tastey=bitter==sour==sweet==salty=
Sweet, Salty, Sour, Umami (Japanese for Savory), and bitter.
sweet, sour, salty, and bitter.
the tip is sweet, on the very back is bitter, sour is on the side, and salty on the edges. EDIT: Actually, that theory has been disproven a few years ago and it is now known that they are spread throughout the tongue
Salty, sweet, sour, bitter, savory, and pain (this sense is attributed to spices). No... there are five primary taste Sweet Sour Bitter Spicy and Salty.
sweet, sour, salty, and bitter.
Salty, Sweet, Bitter, Sour
Sour, Sweet, Bitter, Salty, Umani.
Bitter, sour, salty, sweet.