Too little water concentrated in cells may make a person dehydrated. Being dehydrated may cause painful headaches and confusion. Which hormone and organ regulate water concentration? a. pituitary and glucagon
b. kidney and ADH
c. pituitary and ADH
d. pancreas and ADH

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.