Which detail is NOT included in the passage?

In paragraph 1, the author discusses the difficulty of describing the umami flavor but does not mention that it is more difficult to process.Both the mouth and tongue play a part in sending information to the brain is incorrect because this statement is true. In paragraph 2, it is written that the receptors from the mouth and tongue send information to the brain.
The bumps on one’s tongue serve a purpose is incorrect because the statement is true. In the beginning sentences of the text, the author notes that the bumps on the tongue are called papillae, which contain taste buds. As noted later in the text, these taste buds serve the purpose of sending messages to the brain.
The epiglottis contains taste buds is incorrect because the statement is true. In paragraph 1, the author mentions that the epiglottis contains taste buds.