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the action potentials associated with heartbeat regulation originate in the SA node,

I believe it is in somewhere in the wall of the right atrium of the heart

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12y ago

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Action potentials originate at the?

Action potentials are how nerve impulses are transmitted from neuron to neuron. An action potential is formed when a stimulus to the nerve cell causes the membrane to depolarize and open all of its sodium ion channels toward the threshold potential.


Where do most action potentials originate?

Action potentials most commonly originate in the axon hillock of a neuron, which is located near the cell body. This region has a high density of voltage-gated ion channels that are responsible for generating and propagating the action potential down the axon.


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It is a spice associated with India.


Where does the regulation of autonomic function such as heart rate and blood pressure originate?

Medulla oblongata


An episode that begins and ends abruptly during which there is a very rapid and regular heartbeat that originate in the atrium?

Paroxysmal Atrial Tachycardia (PAT)


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Hafnium is a natural chemical element associated with zirconium in minerals.


What plate is associated with earthquakes that their depths originate more than 100 km?

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Where does the spark that begins your heartbeat originate?

The normal heartbeat begins as an electrical impulse in the sino-atrial node (or SA node). The SA node is called the pacemaker of the heart. It is located in the R atrium, just below the entrance of the superior vena cava.


What country does the name Hagar originate?

Hagar is commonly associated with Scandinavian, most notably Sweden. It is a German dutch name


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From which muscle does the heartbeat originate?

The heartbeat is caused by the contraction and relaxation of the heart muscle. The heart muscle is a special kind of muscle known as cardiac muscle, which is unique as it is both striated (strong), can work without tiring, and cannot be controlled (the movement of the muscle is automatic).