Answer:
I'm white and used for cutting and grinding. When I'm damaged, humans usually remove or fill me. For most animals I am a useful tool. What am I?
I keep things green and keep kids happy during summer time.
What has 13 hearts but no other organs?
What can be drawn but never taken?
I am orange and sound like a parrot.
Give it food and it will live, give it water and it will die.