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Nodes in the heart?
The nodes in the heart control the hearts electrical system. The nodes are known as the sinoatrial node and the atrioventricular node.
What is the main pace maker of the heart?
The primary pacemaker of a normal healthy heart is the sinus node (or SA node). It is located in the right atria of the heart.
What first causes the sinoatrial node to begin in a fetus' heart?
The sinoatrial node is a part of the electrical system of the heart. The development of the sinoatrial node is from the sinus horn myocardium in fetal development.
The node that directly controls contraction of the atria is?
Sinoatrial node
What node triggers and impulse?
The sinoatrial node triggers an impulse
Is AV NODE known as pacemaker?
No, it is the SAN (sinoatrial node)
What is the peacemaker of the myocardium?
sinoatrial node
What pacemaker of the heart initiates depolarization under normal conditions?
The primary pacemaker of the mammalian heart is the sino-atrial node. If the SA node fails, the atrioventricular node (AV node) takes over pacemaking.
A heartbeat begins with an impulse from the?
In the Sinoatrial Node
Is sinoatrial node called a pacemaker?
yes
What conducting cells set heart rate?
Sinoatrial Node (SA node)
What does the sinoatrial node do when body temperature is increased?
Known as the "pacemaker of the heart," the sinoatrial node would most likely speed up if the body temperature were to rise.
