Bradley is watching his twin daughters play on a playground seesaw, and is fascinated by the way only one side can be up or down at a time. He thinks about color vision, and recognizes that this is similar to how the theory describes his ability to see just one color of a color-pair at a time

opponent- process

Explanation:

Here is the complete question:.

Bradley is watching his twin daughters play on a playground seesaw, and is fascinated by the way only one side can be up or down at a time. He thinks about color vision, and recognizes that this is similar to how the theory describes his ability to see just one color of a color-pair at a time.

a. signal detection

b. opponent-process

c. sensory adaptation

d. trichromatic

And the answer is

B. opponent- process

i believe it would be the lungs.