Answer:
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I am not very commonly found! Only in some rainforest! I have an odd number of toes! I'm very lazy and hang upside down!
I transfer oxygen from the atmosphere to your blood
What building has the most stories?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.