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|Bio 256 Unit D |Leader: |Sam |

|Supplemental Instruction | | |

|Iowa State University | | |

| |Course: |Bio 256 |

| |Instructor: |Dr. Haen |

| |Date: |2/27/20 |

Review List the six types of sensory receptors:

1.Which of the following cutaneous receptors would detect: root hair plexus, Pacinian corpuscle, Merkle disk, Meissner corpuscle

a. A deep massage on your back _______

b. A slight breeze blowing your skin ________

c. Running your hand through sand _____________

d. Holding your finger on the fountain pop dispenser ___________

2.Describe how you interpret a scent. (Hint: it may be helpful to draw an arrow diagram)

3.Describe the utricle and saccule using the following:

a. Where are they located?

b. Where do they each extend into?

c. What do they contain?

d. What do they detect?

4.T or F: Otoliths moving in the same direction as the kinocilium result in hyperpolarization of the vestibular nerve.

5. What responds to changes in velocity when rotating your head? How does it work and where is this structure located?

6. The entire ear is involved in hearing, break down the three main parts/areas of the ear and describe how it specifically helps with hearing.

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