Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
glisten glisten
wrote...
Go to Answer
Posts: 635
Rep: 1 0
7 years ago
Because the sinoatrial node sends out impulses that initiate each heartbeat, it is often referred to as the ________ of the heart.
Textbook 
Biology of Humans: Concepts, Applications, and Issues

Biology of Humans: Concepts, Applications, and Issues


Edition: 5th
Authors:
Read 112 times
1 Reply
Replies
Answer verified by a subject expert
R.FrantR.Frant
wrote...
#1
Top Poster
Posts: 946
Rep: 17 0
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

glisten Author
wrote...

7 years ago
Thanks for your help!!
Fleury
wrote...

Yesterday
Good timing, thanks!
ky
wrote...

2 hours ago
Just got PERFECT on my quiz
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  759 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 177
  
 337
  
 146
Your Opinion
Which is the best fuel for late night cramming?
Votes: 232
Previous poll results: Do you trust social media networks with protecting your privacy?