Woo hoo! A 4th Grader in United States wants to know, "How big is it?"
Here's an answer:
The adult human brain weighs about 3 lbs (~1.3 kg). Read More
That's slightly heavier than three soccer balls (FIFA-approved) and it's about the size of a volleyball (only more wrinkly).
Wow, the brain is so cool!
Hey, what's the one thing you wish you knew about the brain?