biological effects on the insects that is used against and how it is metabolized to kill off the organism?  Contrast this with any known or theorized harmful effects it could have on humans or our environment.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Pyrethroids are toxic to the nervous system in humans.  What is the biological effects on the insects that is used against and how it is metabolized to kill off the organism?  Contrast this with any known or theorized harmful effects it could have on humans or our environment. 

Expert Solution
Pyrethroids

Pyrethroids are synthetic insecticide that is used to kill insects in agriculture interest. Pyrethroids mechanised to kill the insects by working as a neurotoxins that can specifically target receptor site-7 of the voltage-gated sodium channels. Binding of pyrethroids to sodium channels causes delayed voltage-gated sodium channels closure in the nerve cells of insects, that  results in extended and repeated nerve firings. This is a hyperexcitation of neurones which causes loss of motor coordination and paralysis of insects and followed to death of the insects.

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