Show understanding that it's about the mechanisms within our body and understanding how they after our behaviour, focusing on aggression.

The central nervous system and neurotransmitters - structure + role of the neuron , function of neurotransmitters + synaptic transmission.

Effect of recreational drugs on the transmission process in the CNS.

Structure of the brain, different brain areas + brain functioning as an explanation of aggression.

Role of evolution + natural selection to explain human behaviour including aggression.

Freud's psychodynamic explanation as an explanation for aggression theory of personality (id/ego/superego), unconscious mind (iceberg/defense mechanism) + catharsis.

Role of hormones e.g. testosterone to explain human behaviour such as aggression.