The Brain Location and Description Located inside your

The Brain

Location and Description ● Located inside your skull ● Not very large, size of a head of cauliflower ● Controls the body ● Houses your thoughts and memories ● Creates your feelings and emotions

What makes up the brain? ● Mostly made up of neurons ● Neurons are cells that can transfer information to and from the brain ● Split into two different hemispheres, the left and right hemispheres ● Each hemisphere controls opposite side of body

Connecting the brain to the body ● The brain stem connects the brain to the spinal cord ● The spinal cord sends messages from the brain down to the rest of the body ● The spinal cord is filled with interneurons, neurons that transmit information

Three Major Types of Neurons ● Sensory Neurons o Receives information from outside world through senses such as sight, taste, smell, and transmit them to the brain ● Motor Neurons o Sends messages from brain to muscles to move ● Interneurons o Transmits information from sensory neurons to the brain and from the brain to motor neurons

Major Parts of the Brain ● Cerebrum ● Cerebellum ● Brain Stem

Cerebrum ● Largest part of the brain ● Allows you to move your body on your command ● Center of thoughts, personality, and receives information from sensory neurons

Cerebellum ● Second largest part of brain ● Controls involuntary movement, or movement that is not controlled by thoughts such as breathing ● Also controls balance and posture

Brain Stem ● Connects brain to spinal cord ● Controls life supporting systems such as heart rate and digestion ● Also regulates sleep