ANATOMY
CHEST AND CARDIOVASCULAR
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
electric waves
|
|
|
nodal system
|
|
|
systemic system
|
|
|
electrical system
|
Detailed explanation-1: -An electrical stimulus is generated by the sinus node (also called the sinoatrial node, or SA node). This is a small mass of specialized tissue located in the right upper chamber (atria) of the heart. The sinus node generates an electrical stimulus regularly, 60 to 100 times per minute under normal conditions.
Detailed explanation-2: -An electrical signal starts in the sinus node of the heart. This is also called the sinoatrial node (SA node). This is a small area of special cells in the right upper chamber (atrium) of the heart. The SA node creates an electrical signal 60 to 100 times per minute.
Detailed explanation-3: -Sinoatrial node. The sinoatrial (SA) node is a cluster of cells that act as a natural pacemaker for your heart. Atrioventricular node. Bundle of His. Bundle branches. Purkinje fibers. 17-Mar-2022