The lens helps the eye to focus on images.
"The Lens. The lens is composed of transparent, flexible tissue and is located directly behind the iris and the pupil. It is the second part of your eye, after the cornea, that helps to focus light and images on your retina."
Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. People migrate to those places where they have better facilities of health services, educational services, transportation and communication and the life is easier.
It increases HDL cholesterol, reduces LDL cholesterol, and reduces blood pressure.
Answer:
produce sound when they come together and then vibrate as air passes through them during exhalation of air from the lungs. This vibration produces the sound wave for your voice. In order for the sound to be clear and not raspy or hoarse, the vocal folds must vibrate together symmetrically and regularly
Explanation:
