Answer:
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Brothers and sisters I have none but this man's father is my father's son. Who is the man?
No sooner spoken than broken. What is it?
Of these everyone has ten, part of two wholes at the arms end. What are they?
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
People take me on walks and I run and have fun. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?