The Nervous System Test Yourself

1. Add the following labels to this diagram of a motor neuron.
 * cell body | nucleus | axon | dendrites | myelin sheath | muscle fibres



2. What is a synapse?

3. What is a reflex?

4. Rearrange the parts of a reflex arc given below in the order in which the nerve impulse travels from the sense organ to the muscle.
 * sense organ | relay neuron | motor neuron | sensory neuron | muscle fibres

5. Add the following labels to the diagram of the dog’s brain shown below.
 * cerebellum | cerebral hemisphere | cerebral cortex | pituitary gland | medulla oblongata



6. What is the function of the meninges that cover the brain and spinal cord

7. Give 3 effects of the action of the sympathetic nervous system.

Nervous System Test Yourself Answers