Answer:
Sometimes black, sometimes white, I have veins but no blood
As I walked along the path I saw something with four fingers and one thumb, but it was not flesh, fish, bone or fowl.
What do you have when you're sitting down that you don't have when you're standing up?
If I have it, I don't share it. If I share it, I don't have it. What is it?
If you spot one of these eastern warriors, they're not doing their job right.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?