According to the passage, what are taste buds responsible for?

In paragraph 1, the passage states that taste buds send messages to the brain regarding the basic flavors of food.
Giving information about the texture of food is incorrect. Receptors, not taste buds, are responsible for giving information regarding texture, as noted in paragraph 2.
Transmitting information about the smell of food is incorrect. Receptors, not taste buds, are responsible for giving information regarding the smell of food, as noted in paragraph 2.
Understanding whether or not something is spicy is incorrect. The spiciness and overall flavor of food are conveyed through receptors, as noted in paragraph 2.