Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
New Topic  
purpleberry purpleberry
wrote...
Posts: 1596
Rep: 1 0
7 years ago
What action does the respiratory system require signals from the nervous system to perform?
A) enhancing the amount of available oxygen in the lungs
B) coordinating the muscles controlling breathing
C) releasing enzymes to increase the exchange of gases
D) exchanging gases with the circulatory system
Textbook 
Biology: Science for Life with Physiology

Biology: Science for Life with Physiology


Edition: 5th
Authors:
Read 169 times
2 Replies
Replies
Answer verified by a subject expert
cameronicameroni
wrote...
Top Poster
Posts: 544
7 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

purpleberry Author
wrote...
6 years ago
Thanks for helping me with this
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1020 People Browsing
Related Images
  
 306
  
 255
  
 136
Your Opinion
Which is the best fuel for late night cramming?
Votes: 145