Hi - This is a load of really good short videos that will help you with getting you head around biopsychology!
Brain Plasticity and Functional Recovery - https://www.youtube.com/watch?v=Jsop_hsBSC4&t=16s
Synaptic Transmission - https://www.youtube.com/watch?v=bgyDMQZIS9o&t=55s
The Reflex Arc: Sensory, Relay and Motor Neurons - https://www.youtube.com/watch?v=vEU8F_Ve89k
The Endocrine System - https://www.youtube.com/watch?v=JAbbco1hh8s&t=29s
Fight or Flight - Biological Psychology- https://www.youtube.com/watch?v=MDHJTAwb4Kg
Sperry’s Split brain research video - https://www.youtube.com/watch?v=BEdug0wAgd4
Ways of studying the brain video https://www.youtube.com/watch?v=MEAdeFhj16k&t=13s
The Sleep Wake Cycle: Circadian rhythm - https://www.youtube.com/watch?v=fZ8rbd03GyM&t=17s
The Menstrual Cycle: Infradian rhythm - https://www.youtube.com/watch?v=MeSpeLCgb0U
The Stages of Sleep: Ultradian rhythm - https://www.youtube.com/watch?v=Rf9K5izfwJM&t=23s