I believe it is the 3rd one but I am not sure but if you want an explanation on why, I will tell you that phobias are based off of a certain object,situations,or anything that makes you react with so much fear. That is why I think it is the 3rd one but let me know what the answer is I am curious of what the actual answer may be.
Head injury, as your head is your skull, damaging your skull is very serious as your brain is located there and damaging your brain could probably kill or limit some abilities
Hey how long are the videos and how much do you have to write for each video
Answer:
the temperature rise becoming a fever that are caused by chemicals called pyrogen falling the bloodstream to fight off infections
