Hormonal signaling, specifically adrenaline from the adrenal glands, can sustain an increased heart rate.
Hormonal signaling, primarily through adrenaline released by the adrenal glands, can cause a sustained increase in heart rate by activating similar chemical pathways as noradrenaline.
| Front | hormonal signalling to control heart rate |
|---|---|
| Back | sustained increase in rate by adrenaline from adrenal glands (activating same chemical pathways as neurotransmitter noradrenaline) |
Tags: 6_2_blood_system
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