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What is the significance of the sinoatrial (SA) node in the heart?
What is the significance of the sinoatrial (SA) node in the heart?
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What is the significance of the sinoatrial (SA) node in the heart?
It pumps blood to the lungs
It generates electrical impulses for heartbeats
It regulates blood pressure
It stores blood
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The sinoatrial (SA) node is known as the heart's natural pacemaker, generating electrical impulses that initiate heartbeats.
Questions & Step-by-step Solutions
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Q
Q: What is the significance of the sinoatrial (SA) node in the heart?
Solution:
The sinoatrial (SA) node is known as the heart's natural pacemaker, generating electrical impulses that initiate heartbeats.
Steps: 5
Show Steps
Step 1: Understand that the heart has a special part called the sinoatrial (SA) node.
Step 2: Know that the SA node is located in the right atrium of the heart.
Step 3: Learn that the SA node generates electrical signals.
Step 4: Realize that these electrical signals tell the heart when to beat.
Step 5: Remember that because of the SA node, the heart can beat on its own without needing help from the brain.
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