Top Posters
Since Sunday
25
24
20
20
19
18
18
17
17
17
17
17
New Topic  
wrote...
Posts: 97
A week ago
The heart's valves open and close in response to changes in

• the heart's pacemaker.

• pressure.

• sodium and potassium concentration.

• oxygenation.
Source  Download
EKG Plain and Simple
Edition: 4th
Author:
Read 11 times
1 Reply
Replies
Answer verified by a subject expert
wrote...
Posts: 145
Rep: 9 0
A week ago
Sign in or Sign up in seconds to unlock everything.
pressure.
1
Related Topics
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  276 People Browsing
 122 Signed Up Today
Related Images
 601
 311
 16