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Jkader Jkader
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6 years ago
Why is olfaction an ancient sense?
  a. it was the first sense to develop in humans
  b. it was used solely to find potential mates
  c. it was used to detect predators
  d. it was used to find shelter
  e. it was the first sense to develop in amphibians

Question 2

Olfactory receptors detect
  a. water-soluble substances.
  b. volatile substances.
  c. fat-soluble substances.
  d. alcohol-soluble substances.
  e. both a and b.
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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Jfiscella88Jfiscella88
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6 years ago
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Jkader Author
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6 years ago
I wanna give this person a hug.
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