Answer:
What is so delicate that saying its name breaks it?
Before Mount Everest was discovered, what was the highest mountain on Earth?
What body part is pronounced as one letter but written with three, only two different letters are used?
It covers you, you lose it every day and you'd die without it.
If someone calls you this, it might be time to consider hot wax
People take me on walks and I run and have fun. What am I?