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A Level Biology Edexcel: Topic 5 - 8
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Pregunta:
Nervous control of heart rate when CO2/pH changes
Autor: seremi amuneRespuesta:
CO2 in blood increases/pH decreases chemoreceptors detect the change a signal is sent to the CV control centre in the medulla a signal is sent by the sympathetic nerve SAN depolarises heart rate increases
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seremi amune