
Brain

What is the Brain?
The brain is the organ inside our skulls. Weighing about 3 pounds, it's our most complex organ. We use it to sense the world around us, think and feel, solve problems, and store memories. It's what makes us who we are.
What is the Brain?
The brain is the organ inside our skulls. Weighing about 3 pounds, it's our most complex organ. We use it to sense the world around us, think and feel, solve problems, and store memories. It's what makes us who we are.