B1d - The Nervous System - Part 2. 0.0 / 5 ? BiologyNervous system, hormones and behaviourGCSEOCR Created by: natalie27Created on: 08-12-13 19:09 452136 Across 1. Vision where the eyes are placed on the side of the head. Usually found in prey - can see in front and behind. Difficult to judge distance or speed. (9) 6. A clear, flexible bag of fluid surrounded by circular ciliary muscles that change the shape of the ____. (4) Down 2. Short sight can be corrected with a _______ lens which diverges the light rays so that they focus on the retina. (7) 3. Short sight is caused by an eyeball that is too ____, or weak suspensory ligaments which cannot pull the lens into a thin, flat shape. (4) 4. Vision where the eyes are placed on the front of the head. Usually found in predators. Able to judge speed and distance accurately. (9) 5. The ______ and lens refract rays of light, so they converge at a single (focal) point on the retina. (6)
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