The Nervous System Name__________________________ Nervous System 1. What is the function of the nervous system _____________________________________________________________________ _____________________________________________________________________ 2. Name the parts which make up the following Central Nervous System:________________________________________________ ____________________________________________________________________ Peripheral Nervous System: _____________________________________________ ____________________________________________________________________ Differentiate between the following types of neurons Sensory Neurons Motor Neurons 3. Draw a clearly labelled diagram of a sensory neuron 4. Draw a labelled diagram of a motor neuron 5. Explain the following terms Nervous System Interneurons The Nervous System Term Nerve Endings Dendrites Axons Schwann Cells Name__________________________ Explanation 6. What happens to the myelin sheath when a person has multiple sclerosis ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ What are nodes of Ranvier? _____________________________________ 7. What is found in the cell body? ________________________________________ _____________________________________________________________________ 8. Define the term ganglion: ____________________________________________ _____________________________________________________________________ 9. State the function of neurotransmitter swellings: _____________________________________________________________________ _____________________________________________________________________ 10. Draw a clearly labelled diagram of an interneuron 11. State what happens when an impulse is being carried along a neuron ____________________________________________________________________ 12. True or false the speed of an impulse travelling along a neuron depends on whether myelin is present or not True False 13. What happens to the nerve impulse if the myelin is absent ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ 14. Name another factor which affects impulse speed ____________________________________________________________________ ____________________________________________________________________ Nervous System The Nervous System Name__________________________ 15. Define the term synapse ____________________________________________________________________ ____________________________________________________________________ 16. Where are they found? ____________________________________________________________________ 17. Where are neurotransmitters made? (i)___________________________________________________________________ (ii)__________________________________________________________________ 18. Where are neurotransmitters found? ____________________________________________________________________ ____________________________________________________________________ 19. Name a neurotransmitter ____________________________________________________________________ 20. How does a neurotransmitter work ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ 21. State four functions of a synapse (i)___________________________________________________________________ (ii)__________________________________________________________________ (iii)__________________________________________________________________ (iv)__________________________________________________________________ Central Nervous System 22. How is the brain and spinal cord protected? ____________________________________________________________________ ____________________________________________________________________ 23. Name the fluid which fills the space between the two meninges of the brain ? ____________________________________________________________________ 24. What is the function of this fluid? ____________________________________________________________________ ____________________________________________________________________ Meningitis 25. What is meningitis? ____________________________________________________________________ ____________________________________________________________________ 26. State the functions of the following parts Part Cerebrum Cerebellum Medulla Oblongata Thalamus Hypothalmus Nervous System Function The Nervous System Name__________________________ Parkinsons Disease 27. What is parkinsons disease ___________________________________________________________________ 28. What is it caused by? ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 29. What are the symptoms of parkinsons disease? ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 30. What is the treatment for parkinsons disease? ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 31. Describe the structure of the spinal cord ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 32. What is the somatic nervous system ___________________________________________________________________ ___________________________________________________________________ 33. What is the autonomic nervous system ___________________________________________________________________ ___________________________________________________________________ 34. Describe what a reflex action is ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ 35. Name two reflex actions in the body ___________________________________________________________________ ___________________________________________________________________ 36. What are the advantages of a reflex action? ___________________________________________________________________ ___________________________________________________________________ 37. Explain how a withdrawal reflex works (i)___________________________________________________________________ ___________________________________________________________________ (ii)__________________________________________________________________ ___________________________________________________________________ (iii)__________________________________________________________________ ___________________________________________________________________ Nervous System The Nervous System Name__________________________ (iv)__________________________________________________________________ ___________________________________________________________________ (v)__________________________________________________________________ ___________________________________________________________________ Nervous System
