Answer:
The thinkers usually hold this body part
An image taken from real life
What is red and smells like blue paint?
What has a head, a tail, is brown, and has no legs?
I am a piece of paper that takes most people 3 or 4 years to get. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.