Sia
Question
Biology
Posted 9 months ago
Question 20
The basic rhythm of the heartbeat is set by the
sinoatrial node
EKG
"fight-or-flight" hormone
systolic pressure
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Answer from Sia
Posted 9 months ago
Answer
The basic rhythm of the heartbeat is set by the sinoatrial node.
Solution
a
The sinoatrial (SA) node: This is a group of cells located in the right atrium of the heart that generates electrical impulses, causing the heart to contract and set the basic rhythm of the heartbeat
Key Concept
Sinoatrial node
Explanation
The sinoatrial node is responsible for initiating the electrical impulses that regulate the heart's rhythm, making it the primary pacemaker of the heart.
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