View the complete textbook online or download a PDF.
https://openstax.org/details/books/anatomy-and-physiology-2e
Chapter 14: The Somatic Nervous System (14.1)
Chapter 16: The Neurological Exam (16.3, 16.4)
Supplemental Reading
Lesson 32:
Choi-Schagrin, W. (2022, January 15). 5 Surprising Things About Smell. The New York Times.
https://www.nytimes.com/interactive/2022/01/14/climate/science-smell-facts.html
Anatomy and Physiology 2e
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