Cómo vemos. Primera parte: los ojos

The video explains how the brain prioritizes vision over other senses and details the structure of the eye, including the cornea, pupil, iris, lens, and retina. It describes the retina's role in vision, the red-eye effect, and the functions of rod and cone cells. Finally, it covers how the optic nerve transmits visual information to the brain, which then processes it into vision.

What new insight or understanding did you gain from this video?