1. Three Pounds, Three Parts
Your brain is your most powerful organ, yet weighs only about three pounds. It has a texture similar to firm jelly.
It has three main parts:
- The cerebrum fills up most of your skull. It is involved in remembering, problem solving, thinking, and feeling. It also controls movement.
- The cerebellum sits at the back of your head, under the cerebrum. It controls coordination and balance.
- The brain stem sits beneath your cerebrum in front of your cerebellum. It connects the brain to the spinal cord and controls automatic functions such as breathing, digestion, heart rate and blood pressure.
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