Top Posters
Since Sunday
A
6
j
6
c
5
m
5
C
5
d
5
s
5
n
4
i
4
d
4
d
4
J
4
Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
New Topic  
Jermain_ Jermain_
wrote...
Go to Answer
On Hiatus
Posts: 6410
Rep: 97 0
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.   
Read 366 times
2 Replies
Replies
Answer accepted by topic starter
padrepadre
wrote...
#1
Staff Member
Educator
Top Poster
Posts: 21609
Rep: 4541 17
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1
Mastering in Nutritional Biology
Tralalalala Slight Smile

Related Topics

Jermain_ Author
wrote...
#2
On Hiatus
10 years ago
Thanks dude
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  824 People Browsing
 108 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 7340
  
 2779
  
 390
Your Opinion
What's your favorite math subject?
Votes: 315
Previous poll results: What percentage of nature vs. nurture dictates human intelligence?