A. right ventricle
B. left ventricle
C. right atrium
D. left atrium
2006-06-22 09:20:35 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Biology
right atrium, near where the superior vena cava enters the heart
2006-06-22 09:26:09 · answer #1 · answered by bioguy 4 · 1⤊ 0⤋
Right Atrium
2006-06-22 16:31:21 · answer #2 · answered by Anonymous · 1⤊ 0⤋
SA node- located in the right atrium- most rapid rate of depolarization . “pacemaker of the heart” connected by the gap junctions to all the other cells it sets the pace.
If the SA node were taken out then the another node would take over.
2006-06-22 16:36:21 · answer #3 · answered by LINDA 1 · 1⤊ 0⤋
Right Atrium ... Sinoatrial rules out ventricles ... and it refers to where the blood first enters the heart ... so it is the right side
2006-06-22 17:18:55 · answer #4 · answered by icehoundxx 6 · 1⤊ 0⤋
It is in the upper part of the right atrium, so it is C. right atrium.
2006-06-22 16:34:27 · answer #5 · answered by Meredyth 2 · 1⤊ 0⤋
Textbook, do your own homework.
2006-06-22 16:33:36 · answer #6 · answered by yeagermeister 2 · 0⤊ 1⤋