The eyes are located in the orbits of the skull. The eyeball has a spherical shape. Outside, it is covered with a dense protein shell – sclera. The anterior part passes into the transparent cornea. Through it, the iris is clearly visible – the iris. The color of the iris, or eye color, in a person can range from light blue to dark brown and even black.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.