#9.8i
Understand how the autonomic nervous system controls heart rate including:
- aortic and carotid baroreceptors and chemoreceptors
- cardiac centre in the medulla oblongata
- sympathetic nerve stimulated to release noradrenaline at the SAN
- parasympathetic nerve stimulated to release acetylcholine at the SAN.
#9.8ii
Understand the role of the autonomic nervous system in causing the release of adrenaline to increase heart rate.