Answer:
A precious fluid, thicker than water.
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
I am nothing but holes tied to holes, yet am strong as iron.
What does everyone know how to open but not how to close?
A device for finding furniture in the dark.
People take me on walks and I run and have fun. What am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?