What do humans use to see an image?
keratin light heat fibers calcite mussels photons Neuron.
A B C D E F G H
Humans use both eyes to see a single image.
humans use light to see an image
What do humans use to see an image? (A) keratin (B) light (C) heat (D) fibers (E) calcite (F) mussels (G) photons (H) Neuron.