ASSESSMENT IN GRADE 10 SCIENCE

  The part of the brain that coordinates muscular movements with sensory information and helps maintain your body’s sense of balance is the: 

• a.  cerebrum

• b.  cerebellum

•   c.   thalamus

The brain also automatically controls actions without being told.    

Give two examples of involuntary actions.

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NERVOUS SYSTEM

 The brain controls actions that you choose to do.  

Give two examples of voluntary actions.   

Neurons send messages across the body.  

Name the three basic parts of a neuron.

The peripheral nervous system sometimes acts by itself without signalling the brain. These reactions are called ___________________.

How many nerves are in your body to send messages to brain and back?

• hundreds

• thousands

• millions

• billions

The peripheral nervous system:

• a. is in the brain

• b. includes nerves branching out from the spinal cord to the body

• c. helps with peripheral vision

Name one function of cerebrospinal fluid:

The spinal cord helps carry ______ back and forth between your body and brain.

Your ________ is the boss of your body and controls everything you do.