Hands On Lab: Brain

Grading: Divide number incorrect by total number of questions (63)
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Type your answers and copy all pictures directly into this Word document. Submit it via the blackboard submission link in Word format (docx).
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The brain is the control center of the body. This lab will help you understand the different parts of the brain and their functions.

Activity 1: Virtual Sheep Brain Dissection

In the laboratory, we dissect sheep brains because their parts and structure are similar to the human brain. The virtual sheep brain dissection laboratory will mimic the activity we would do in lab and teach you the basics of brain anatomy.
Virtual Sheep Brain Dissection (opens new window)
Click on the lab and go through all of the sections. Please see the Module 4 Lab Study Objectives for all of the structures you are responsible for. You are not required to learn any markings in the virtual lab that are not on this list.

Activity 2: Identifying Major Brain Regions

The brain is divided into four major regions.
Identify the major regions (A-D) in the picture and complete the table by giving a brief description of each region’s function.
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Region (A-D) Function
2. Brainstem= Letter 3.
4. Diencephalon= Letter 5.
6. Cerebellum= Letter 7.
8. Cerebrum= Letter 9.


Activity 3: Brainstem and Diencephalon Subdivisions

The brainstem and diencephalon each contain 3 subdivisions.
Give the function of each major regional subdivision and identify which major brain region each subdivision belongs to.

Subdivision Function Brain Region
Epithalamus 10. 11.
Medulla Oblongata 12. 13.
Midbrain 14. 15.
Hypothalamus 16. 17.
Pons 18. 19.
Thalamus 20. 21.


Activity 4: Parts of the Brainstem

Identify the parts of the brainstem (A-I). Each letter will only be used once.
22. Superior colliculus
23. Midbrain
24. Inferior colliculus
25. Medulla oblongata
26. Cerebral peduncle
27. Corpora quadrigemina
28. Pyramid
29. Pons
30. Olive
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Activity 5: Parts of the Diencephalon

Identify the parts of the Diencephalon (A-I). Each letter will only be used once.
31. Thalamus
32. Subthalamus
33. Corpus callosum
34. Pineal gland
35. Epithalamus
36. Pituitary gland
37. Optic chiasm
38. Habenula
39. Hypothalamus
40. Infundibulum
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Activity 6: Functional Areas of the Cerebral Cortex

The cerebrum is the largest region of the brain and the cerebral cortex is the main gray matter for thinking. Each area and sense in the body has a dedicated area of the cerebral cortex. Sensory areas receive input for perception, motor areas initiate movements, and associative areas are involved in complex integration; memory, emotion, reasoning, and judgment.
Complete the table by matching each area of the cerebral cortex with its function and give the name of the lobe of the cerebrum it is in.
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Cerebral Area Letter (A-L) Lobe
41. Primary somatosensory    
42. Primary visual    
43. Primary gustatory    
44. Primary auditory    
45. Primary motor    
46. Broca    
47. Somatosensory association    
48. Visual association    
49. Auditory association    
50. Wernicke    
51. Premotor    
52. Prefrontal    


Activity 7: Cranial Nerves

Most of the head and shoulders are under the control of one of the 12 cranial nerves, including all of the special senses, somatic senses, and motor functions.
Match the cranial nerve with its description or number (A-L). Each letter will only be used once.
54. Optic
55. Olfactory
56. Oculomotor
57. Trochlear
58. Trigeminal
59. Abducens
60. Facial
61. Vestibulocochlear
62. Glossopharyngeal
63. Vagus
64. Accessory
65. Hypoglossal
A. Equilibrium and hearing
B. Speech and swallowing
C. Vision
D. Taste from posterior tongue
E. Smell
F. Taste from anterior tongue
G. Number X
H. Face sensation and chewing
I. Head and shoulder movement
J. Movement of eyeball
K. Number III
L. Number VI
*All images in this lab are copyright of McGraw-Hill