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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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The organ of Corti contains receptors that signal in response to ________ .

  1. a. heat
  2. b. sound
  3. c. light
  4. d. pheromones

Summary Introduction

Introduction: Ear has three parts,namely the outer ear, the middle ear, and the inner ear that function to transmit and transduce sound to the brain. The sound waves travel from the outer ear causing vibrations in the middle ear bones. The middle ear amplifies and transmits the vibrations to the inner ear through cochlea.

Explanation

Reason for the correct statement:

Organ of Corti is a part of the cochlea that consists of mechanoreceptors to detect the sound. It has hair cells that act as mechanoreceptors. In response to sound, they convert pressure waves into action potentials. The action potentials travel across the auditory nerve to the brain.

Hence, option b. is correct.

Reasons for the incorrect statement:

Option a. is given as “heat”. Thermoreceptors function in response to heat or the variations in temperature...

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