Excite and Inhibit

Yo yo yo! A 12th Grader in United States wants to know, "what color is it"

Here's an answer:
A healthy brain is reddish-pink because of all the blood vessels that innervate the brain tissue. With the blood vessels removed, it's gray. Read More

Wow, the brain is so cool!
Hey, what's the one thing you wish you knew about the brain?