The answer will be Rugae. I hope this helps.
True, but self-discipline means to do something you know you should do but don't want to do and do it anyway.
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Well if you're referring to the human body, our cells make up a lot of everything we're made of. Muscles, organs, bones, blood, skin, etc. Biologically speaking, there's a lot to the human body besides organs. Sorry if this isn't very helpful.
The other person could be peer pressuring you and an internal factor could be a chemical in your brain
Working with wood like drilling, cutting, sanding, etc. because a chip could fly into your eye. wear protective eye glasses.
in a lab, chemicals could get on your skin and you rub your eye, something splashes up. makes sure to put on all protective gear that is recommended like gloves, apron, eye glasses.
getting surgery on your eye whether to help with sight or other things. make sure your doctor is qualified and has experience in your type of surgery before getting it.