anatomy of central nervous system

Question 1

brain

Answer 1

1. made up of 2 hemispheres
2. It is composed of grey matter which processes information.
3. White matter (inside) transmits information through the nerve impulses.
4. it analyses information and it produces nerve impulses to stimulate muscles.

Question 2

cerebellum

Answer 2

1. Similar composition to the brain and sits right under it.
2. controls the movement and balance.
3. receives information on movements that a person wants to make and then analyzes the body and muscle position, with balance information from the inner ear to allow that movement to happen.

Question 3

brain stem

Answer 3

1. It is positioned under the brain and connects it to the spinal cord.
2. It controls the vital organs and acts as a gateway between the brain and the spinal cord.

Question 4

spinal cord

Answer 4

1. a long string of nerves that extends from the brain stem to the lower back.
2. protected by the vertebrae and transmits messages from the brain to the motor nerves.
3. Transmits information from the sensory nerves to the brain.