B6 in one lesson!!. Summary of unit B6.1 How do organisms respond to changes in their environment? Co-ordination of responses to stimuli via the central.

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Nervous System By the end of the lesson you should be able to

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Presentation transcript:

B6 in one lesson!!

Summary of unit B6.1 How do organisms respond to changes in their environment? Co-ordination of responses to stimuli via the central nervous system. B6.2 How is information passed through the nervous system? Structure of motor neurons; transmission of electrical impulses, including synapses. B6.3 What are reflex actions? Simple reflex actions for survival; mechanism of a reflex arc; conditioned reflexes. B6.4 How do humans develop more complex behaviour? Formation of neuron pathways and learning through repetition. B6.5 What do we know about the way in which the brain co-ordinates our senses? Mapping brain function; models for understanding memory. B6.6 How do drugs affect our nervous systems? Effects of Ecstasy on synapse action.

B6.1 How do organisms respond to changes in their environment? Co-ordination of responses to stimuli via the central nervous system. Motor neurones Sensory neurones Central nervous system Peripheral nervous system Receptors Effectors

B6.2 How is information passed through the nervous system? Structure of motor neurons; transmission of electrical impulses, including synapses.

Synapses

Transmission at synapse

B6.3 What are reflex actions? Simple reflex actions for survival; mechanism of a reflex arc; conditioned reflexes.

B6.4 How do humans develop more complex behaviour? Formation of neuron pathways and learning through repetition.

Learned reflexes

Feral children

B6.5 What do we know about the way in which the brain co-ordinates our senses? Mapping brain function; models for understanding memory.

How many can you remember?

B6.6 How do drugs affect our nervous systems? Effects of Ecstasy on synapse action.