Phineas turned off the lights in his room to go to sleep. Which part of the eye picks up the shades of gray of his furniture that then helps him to maneuver through his room without lights? O cones O rods O cornea O iris​
Rods are photoreceptor cells in the eye that help us see in low light but play little to no role in color vision. Therefore, they would help Phineas to see shades of grey and large shapes in the dark,
