Responses - receptors, neurones, nerve impulses and muscle contraction playlist
Neurone structures, how action potentials work and how muscles contract
This playlist includes videos on the following:
Receptors – Pacinian corpuscles and Rods & cones: how they work
Neurone structure - sensory, relay/intermediate and motor
Resting potential - how it is maintained
Action potentials - how they occur, their conductance and factors affecting the speed of conductance
Synapses - structure, function and modulation
Synapses vs NMJs
Brain and Nervous system structure & function and Reflex actions.
Taxes & kineses - the directional and non-directional responses of simple organisms
Muscle contraction - the process and how to remember it!
Control of the Heart Rate - including autonomic/somatic, sympathetic/parasympathetic and how heart rate is regulated by the nervous system.
Energy for muscle contraction; Slow and fast twitch fibres - how aerobic, anaerobic and phosphocreatine systems work with their advantages and disadvantages. How slow and fast twitch fibres work, with their advantages and disadvantages.
Structure and function of the 3 muscle types - skeletal, smooth and cardiac (not required for AQA)
StartReceptors - Pacinian corpuscles and Rods & cones (36:09)
StartStructure of neurones (16:25)
StartResting potential (13:40)
StartAction potentials - how they work (7:34)
StartFactors affecting speed of conductance of action potentials (9:53)
StartSynapses - structure, function and modulation (23:19)
StartSynapses and Neuromuscular Junctions (28:12)
StartNervous system and Brain structure; Reflex Actions (20:28)
StartTaxes and Kineses (31:39)
StartControl of Heart Rate (20:25)
StartMuscle contraction (17:38)
StartEnergy for muscle contraction (aerobic, anaerobic and phosphocreatine); Slow and fast twitch fibres (24:32)
StartMuscle Types - Structure & Function: Skeletal, Smooth and Cardiac (13:25)
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