The Brain and Nervous System Worksheet
1. Name the two major sections of the nervous system.
2. How are the two sections (answer to Q1) of the nervous system distinguished
from each other?
3. Is the somatic or the autonomic nervous system responsible for voluntary actions
such as walking?
4. Reflex reactions are rapid, unconscious reactions. What parts of the nervous
system and what types of nerves are involved in a reflex reaction? Draw a reflex
pathway. (Hint – a reflex pathway should look like a flow chart showing what
happens in a reflex reaction).
5. The autonomic nervous system has two parts called the Sympathetic Nervous
System and the Parasympathetic Nervous Systems. How are these systems
different?
6. What is the difference in structure and function of motor neurones compared to
sensory neurones?
7. What are functions of the spinal cord?
8. Describe how a neuron sends a message to another cell.
9. What two basic effects do neurotransmitters have on neurons?
10. Describe what myelin is, and what it does.
11. What is the advantage of having un-myelinated parts of the brain?
12. Why do we have grey and white matter in the brain?