Stepped-in Hooked-in: Brief History of Life, Not Time

Imagine how small nucleus is.
Imagine how wide/big the universe is.
Imagine the number of nucleus in this Earth, how many is it?
Imagine the number of neurons in your brain.
Just think how big we are in the ground where our feet lie.
The universe six feet beneath the ground and six light years up above the stratosphere.
How wide are we?