Answer:
Long and thin red within with a nail at the end.
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
What is made of water but if you put it in water it will die?
What five-letter word becomes shorter when you add two letters to it?
Digital white-out.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic