A list of the alterations that happen in the eye is shown below. 1 Ciliary muscles contract. 2 Ciliary muscles relax. 3 Suspensory ligaments become slack. 4 Suspensory ligaments tighten. 5 The lens becomes more spherical. 6 The lens becomes thinner. 7 Light rays are refracted less. 8 Light rays are refracted more. Which row shows the changes that happen when focusing on distant and near objects?
Biology 5090 · O Level · Mammalian sense organs