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."
To be safe from bullying, you first need to have a good background, that means you can’t be known as the kid who nobody likes, and you also need to defend yourself or ignore them, as that is what makes them stop. You can also get people you trust to defend you, friends, family, etc. if your getting bullied the best possible way to stop it, is ether put your foot down, or tell a adult. Some adults will not help you, however, usually not giving them a reaction will get them to stop, but if the EVER put their hands on you, by all means, put them where they belong. If you get what I’m saying.
Answer:
the reasons are that Some medications must be mixed from two vials or from a vial and an ampule. Mixing compatible medications avoids the need to give a patient more than one injection.
Explanation:
hope this helps u
