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."
Answer:
calisthenics is the word you're looking for
The correct answer is iodine
Answer: Your friend suggests staying at the dance in the school gym.
Explanation: They are not drinking at all.
This is confirmed to be True.