Top Posters
Since Sunday
G
4
K
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
R
2
c
2
Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
New Topic  
Beanieman Beanieman
wrote...
Go to Answer
Posts: 2820
Rep: 6 0
8 years ago
Activation of the sympathetic nervous system causes (contraction / relaxation) of the radial muscle, which causes pupillary dilation.
Textbook 
Principles of Human Physiology

Principles of Human Physiology


Edition: 5th
Author:
Read 158 times
3 Replies
Replies
Answer verified by a subject expert
venuskyvenusky
wrote...
#1
Top Poster
Posts: 2272
Rep: 32 0
8 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Beanieman Author
wrote...
#2
7 years ago
Honestly anatomy has been the toughest course, thanks for taking a load off my back
wrote...
#3
7 years ago
Amazing Thumbs Up Sign
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  954 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 5078
  
 340
  
 475
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 300
Previous poll results: Who's your favorite biologist?