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BIOLOGY TOPIC 6 HUMAN PHYSIOLOGY

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Pregunta:

How does nerve signalling work? (5)

Autor: Sammy Universe


Respuesta:

Pacemaker is under involuntary control from medulla oblongata (Brain stem) 2 nerves that are connected to the medulla regulate the heart rate sympathetic nerve = releases NT noradrenaline = increase heart rate parasympathetic nerve = releases NT acetylcholine = decrease Heart rate triggers quick changes


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pacemaker is under involuntary control from medulla oblongata (Brain stem) 2 nerves that are connected to the medulla regulate the heart rate sympathetic nerve = releases NT noradrenaline = increase heart rate parasympathetic nerve = releases NT acetylcholine = decrease Heart rate triggers quick changes
1 answer(s) in total

Autor

Sammy Universe
Sammy Universe