A-Level Biology AQA 7402

6.1.3: Control of heart rate

#6.1.3.1

Myogenic stimulation of the heart and transmission of a subsequent wave of electrical activity. The roles of the sinoatrial node (SAN), atrioventricular node (AVN) and Purkyne tissue in the bundle of His.

#6.1.3.2

The roles and locations of chemoreceptors and pressure receptors and the roles of the autonomic nervous system and effectors in controlling heart rate.

6.1.2
Receptors
6.2.1
Nerve impulses