What's Another Name for Sinoatrial Node?
The Sa Node Is the Heart's Natural Pacemaker. the Sa Node Consists of a Cluster of Cells That Are Situated in the Upper Part of the Wall of the Right Atrium...
The SA node is the heart's natural pacemaker. The SA node consists of a cluster of cells that are situated in the upper part of the wall of the right atrium (the right upper chamber of the heart). The electrical impulses are generated there. The SA node is also called the sinus node.
Why is sinoatrial node called pacemaker?
The cells of the SA node at the top of the heart are known as the pacemaker of the heart because the rate at which these cells send out electrical signals determines the rate at which the entire heart beats (heart rate). The normal heart rate at rest ranges between 60 and 100 beats per minute.
What is another name for the sinoatrial node quizlet?
The sinoatrial (SA) node is a section of nodal tissue that is located in the upper wall of the right atrium. The SA node is also referred to as the pacemaker of the heart.
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