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In the Sinoatrial Node
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∙ 11y ago
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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.
The depressant effect of alcohol does not interfere with the conduction of the electrical impulse of the heartbeat?
true
Can the depressant effect of alcohol interfere with the conduction of the electrical impulse of the heartbeat?
false
What are the sources of stimulation that start a nerve impulse?
An impulse begins when a neuron is stimulated by another neuron or by the environment.
Tissue in the right atrium wall that begins the heartbeat?
Bundle of His .
What compound word begins with hear?
One compound word that begins with "hear" is "heartbeat."
What begins when a neuron is stimulate by another neuron in its environment?
A nerve impulse
Which of the following does not factor into the rate of impulse propagation?
Whether or not the impulse begins in the CNS influences the time necessary for a nerve impulse to be transmitted.
Each normal heartbeat in initiated by the?
Each heartbeat begins with an action potential generated at the sinoatrial node or simple call the SAnode.
What is the structure that begins the heartbeat?
The sinoatrial(SA) node located in the right atrium.
Sensitive tissue in the right atrium that begins the heartbeat?
Pacemaker (sinoatrial node)
What is the pacemaker of the heart that begins the heartbeat?
The SA node begins the heartbeat and is sometimes referred to as the heart's pacemaker. The AV node are where the electrical impulses are delayed for 0.1 second before spreading to both ventricles and causing them to contract.
