For each blank select one entry from the corresponding column of choices. Fill all blanks in the way that best completes the text.

Our (i) of the world is only possible through the (ii) of the eye and brain. For without light striking the retina, there would be no image for the occipital lobe to project, so to speak, onto the conscious mind. And without the occipital lobe to (iii) visual input from the eyes, there would be no coherent reality.