This is a fully-resourced lesson which covers the detail of point 5.1.3 (b) of the OCR A-level Biology A specification which states that students should be able to apply their understanding of the structures and functions of sensory, relay and motor neurones as well as the differences between myelinated and unmyelinated neurones. The PowerPoint has been designed to contain a wide range of activities that are interspersed between understanding and prior knowledge checks that allow the students to assess their progress on the current topics as well as challenge their ability to make links to topics from earlier in the modules. Quiz competitions like SAY WHAT YOU SEE are used to introduce key terms in a fun and memorable way.
The students will be able to compare these neurones based on their function but also distinguish between them based on their structural features. Time is taken to look at the importance of the myelin sheath for the sensory and motor neurones. Students will be introduced to the need for the entry of ions to cause depolarisation and will learn that this is only possible at the nodes of Ranvier when there is a myelin sheath. Key terminology such as saltatory conduction is introduced and explained. The final task involves a comparison between the three neurones to check that the students have understood the structures and functions of the neurones.
Throughout the lesson, links are made to the upcoming topic of the organisation of the nervous system (5.1.5) and students will be given additional knowledge such as the differences between somatic and autonomic motor neurones.
This lesson has been designed for students studying on the OCR A-level Biology A course.
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Homeostasis, Excretion, Neuronal and Hormonal communication (OCR A-level Biology A)
This bundle of 20 lessons covers the majority of the content that's included in modules 5.1.1 - 5.1.4 of the OCR A-level Biology A specification. All of the lessons are highly detailed and have been planned at length to ensure that they are filled with a wide range of tasks to engage and motivate the students whilst checking on their understanding. The following specification points are covered by the lessons in this bundle: 5.1.1: Communication and homeostasis * The communication between cells by cell signalling * The principle of homeostasis * The physiological and behavioural responses involved in temperature control in endotherms and ectotherms 5.1.2: Excretion as an example of homeostatic control * The functions of the mammalian liver * The gross structure and histology of the kidney * The processes of ultrafiltration and selective reabsorption * The control of the water potential of the blood * The effects of kidney failure and its potential treatments 5.1.3: Neuronal communication * The roles of mammalian sensory receptors in converting stimuli into nerve impulses * The structure and functions of sensory, relay and motor neurones * The generation and transmission of nerve impulses in mammals * The structures and roles of synapses in transmission 5.1.4: Hormonal communication * Endocrine communication by hormones * The structure and functions of the adrenal glands * The structure of the pancreas * The regulation of blood glucose concentration * The difference between diabetes mellitus type I and II * The potential treatments for diabetes mellitus It is estimated that it will take in excess of 2 months of allocated A-level teaching time to cover the detail included in these lessons If you would like to sample the quality of the lessons in this bundle, then download the following lessons as they have been shared for free: * The principles of homeostasis * Temperature control in ectotherms * The functions of the liver * The structure of the kidney * The generation and transmission of nerve impulses * Endocrine communication
Module 5.1.3: Neuronal communication (OCR A-level Biology A)
All of the lessons that are included in this bundle have been designed to ensure that all of the content in module 5.1.3 (neuronal communication) of the OCR A-level Biology A specification is covered. The wide range of activities and differentiated resources will motivate the students whilst the regular understanding and prior knowledge checks will allow them to assess their progress against the current topic as well as challenging them to make links to earlier topics. All of the specification points in module 5.1.3 have been covered by the following lessons: (a) The roles of mammalian sensory receptors (b) Sensory, relay and motor neurones and saltatory conduction (c)The generation and transmission of nerve impulses (d) The structure of cholinergic synapses (d) The role of synapses in summation and control
Neuronal & hormonal communication (OCR A-level Biology)
This lesson bundle contains 10 lesson PowerPoints, which are highly detailed, and along with their accompanying resources have been designed to cover the content of modules 5.1.3 & 5.1.4 of the OCR A-level Biology A specification, titled neuronal communication and hormonal communication. Each lesson contains a wide range of tasks, that include exam-style questions with mark schemes written into the PowerPoint that students can use to assess their understanding of the current topic as well as previously covered topics. There are also differentiated tasks, discussion points and quick quiz competitions to introduce key values and terms in a fun and memorable way. This lesson bundle covers the following specification points in modules 5.1.3 & 5.1.4: * The roles of mammalian sensory receptors in converting different types of stimuli into nerve impulses * The structure and functions of sensory, motor and relay neurones * The generation and transmission of nerve impulses in mammals * The structure and roles of synapses in neurotransmission * Endocrine communication by hormones * The structure and functions of the adrenal glands * The histology of the pancreas * The regulation of blood glucose concentration * The differences between diabetes mellitus type I and II * The potential treatments for diabetes mellitus If you would like to sample the quality of the lessons in this bundle, then download the nerve impulse and endocrine communication lessons as these have been uploaded for free.
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