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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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Jermain_ Jermain_
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10 years ago

 
Which of the following statements is true of any communication system?   
A)
 
Neurons are always involved.   
B)
 
The endocrine system is always involved.   
C)
 
A signal must always be sent and received.   
D)
 
Signals can be sent only in electrical form.   
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padrepadre
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Jermain_ Author
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#2
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10 years ago
Thanks dude
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