× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Kaetlynrenae Kaetlynrenae
wrote...
Go to Answer
Posts: 474
Rep: 1 0
6 years ago
The SA node
 
  a. generates excitatory signals for muscle
  contraction.
  b. is under voluntary control.
  c. receives electrical signals from the AV
  node.
  d. is located in the right atrium.
  e. is all of these

Question 2

In this diagram of the heart, which of the
  following choices correctly identifies A and B?
 
  a. A is the AV node; B is the cardiac
  pacemaker.
  b. A is the SA node; B is the septum.
  c. A is the AV node; B is the SA node.
  d. A is the SA node; B is the AV node.
  e. A is the septum; B is the cardiac
  pacemaker.
Read 35 times
1 Reply
Replies
Answer verified by a subject expert
esimpso3esimpso3
wrote...
#1
Posts: 331
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Kaetlynrenae Author
wrote...

6 years ago
This site is awesome
ethom947
wrote...

Yesterday
This helped my grade so much Perfect
lierac00
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1284 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 228
  
 252
  
 281