Four-year-old Bindi loves to go to the nearby park to run around. One of her favorite activities is spinning in circles until she feels dizzy and falls down. Which cells in the inner ear are responsible for sensing the movement Bindi feels when she is spinning

Hair cells in the crista ampullaris.

Explanation:

The structure called inner ear is responsible for the sensing balance and sense of circulation. The semicircular canal have ampulla that have a receptor structure known as the crista ampullaris. It is the structure that responds to spinning, hair cells present in the crista ampullaris sense these rotational movements.

Thus, the correct answer is : Hair cells in the crista ampullaris.