Not sure if this is a literal question, but bleach is dangerous for the hair AND skin.
I’ve heard of people bleaching their hair and parts of their body, but not their whole skin.
As for the eyes, is bleach enters your eyes, you have a huge chance of losing eyes sight depending on how much, and how fast you washed it out.
Answer:
Last option, they help keep dirt and debris out of the ear canal.
Explanation:
I did an acting class and failed horribly
Nervousness ("butterflies") before a presentation or job interview could be an example of good stress. This causes your breathing and heartrate to increase which sends more blood to your brain, coursing you to focus more.