Chapter 44 Reading Quiz Question 3 Part A What is an important difference betwee

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Chapter 44 Reading Quiz Question 3 Part A What is an important difference between neurons and hair cells? See Section 44.2 ( page 925) Hints Neurons release neurotransmitters, but hair cells signal using hormones. Hair cells are only found in the CNS, and neurons are only found in the peripheral nervous system (PNS) Neurons detect pressure waves, and hair cells communicate the signal to the central nervous system (CNS). Hair cells depolarize through an influx of K+, while neurons depolarize through an influx of Nat. Submit My Answers Give Up

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Ans. 1) The most appropriate between nuerons and hair cells is that neurons depolarise by influx of sodium ions whereas hair cells depolarise by influx of potassium ions through calcium gated channels.

Ans. 2) The pressure detecting receptors known as the mechanoreceptors located on the wings of the moth senses the ultrasonic sound sends to the wing muscles which alter the path and not gets eaten by the bat.

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