Science - The Nervous System
What is the job of the cerebellum (the middle part of the brain)?
It helps you keep your balance and keeps your muscles working together.
What is the job of the cerebrum?
It controls talking, remembering, thinking and moving.
Describe the spinal cord.
A long, thick bundle of nerves which runs up the middle of the back to the brain.
How much does the human brain weigh?
About 3 pounds
How many nerve cells are in the body?
Billions
Name the three parts of the nervous system.
Brain, nerve cells, spinal cord
What is the job of the spinal cord?
It carries the messages to the brain and then back to all parts of the body.
What is the job of the medulla (the lower part of the brain)?
It keeps the heart beating and controls breathing.
How many messages are carried by the nervous system each day?
Millions
What are sensory nerves?
Nerve cells which carry messages of seeing, hearing, smelling, tasting and touching to the spinal cord or brain.
What are motor nerves?
Nerve cells which take the messages from the brain to move the body parts. They tell the body when and how to move.
Which part if the brain is the largest?
The cerebrum
What protects the brain?
The skull
What is the job of the nerve cells?
They carry messages from all over the body to and from the spinal cord and the brain.
What is the job of the nervous system?
To send and receive messages.
Name the three parts of the brain.
cerebrum, cerebellum, medulla