Содержание
- 2. Eye structure Eye is a complicated organ. It consists of three layers: inner, outer and middle.
- 3. Outer layer Outer layer consists of sclera and cornea. Sclera is a white layer. It protects
- 4. Middle layer Middle layer consists of three parts: iris, ciliary body and choroid. Ciliary body holds
- 5. Inner layer Inner layer is a retina. It has cells called receptors. They receive information from
- 6. Facts Newborns don’t produce tears. They make crying sounds, but the tears don’t start flowing until
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