Describe in detail the autonomic nervous system.

Number of assignments to this unit: One 9 Questions and Answers
Page No. where you have covered the assessment criteria Assessment Criterion (Identified below in brackets) Please also indicate where you have covered the assessment criteria in your actual submission.
⦁ Identify the component parts of the central nervous system and the peripheral nervous system, and state their functions
⦁ Describe the autonomic nervous system
1.3 Describe the structure of a sensory neurone and a motor neurone, and explain their functions in a reflex arc.
⦁ Describe and explain the transmission of an action potential in a myelinated neurone
⦁ Describe the all-or-nothing nature of nerve impulses
⦁ Explain the importance of the myelin sheath and the refractory period in determining the speed of nervous impulses.
⦁ Describe the structure of a cholinergic synapse, and explain how it functions
⦁ Explain the role of synapses in the nervous system in determining the direction of nerve impulse transmission and in allowing the interconnection of nerve pathways
⦁ Describe the causes and effects of synaptic inhibition.
Grade Descriptor:1 Understanding the subject
For Merit: Demonstrates a very good grasp of the relevant knowledge base. (M) For Distinction: Demonstrates an excellent grasp of the relevant knowledge base (D) Grade Indicator
Grade Descriptor: 2 Application of Knowledge:
Makes use of relevant: ideas and facts with either: breadth or depth and/or a very good level of insight. (M) Makes use of relevant: ideas and facts with both: breadth and depth and/or an excellent level of insight. (D) Grade Indicator
Grade Descriptor: 7 Quality
For Merit: Is structured in a way that is generally logical and fluent; taken as a whole, demonstrates a very good response to the demands of the brief/assignment. (M) For Distinction: Is structured in a way that is consistently logical and fluent; taken as a whole, demonstrates an excellent response to the demands of the brief/assignment (D) Grade Indicator

Word count Guideline: 2000 words.
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⦁ Written questions and answers: There are 9 questions to this assignment. Please word process your answers and any drawn illustrations will need to be scanned and uploaded to your dashboard or posted.

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⦁ You should refer to the Grade descriptors above when completing the above assessment criteria 1.1 – 3.3

The topic is the Nervous System

Biology
Nervous System Assignment

Please complete the following:
⦁ (a) Present the nervous system as a flow diagram in a similar format to the one in the example below and label its component parts giving an account of their functions. (1.1)
(b) Describe in detail the autonomic nervous system.(1.2)

⦁ Using Illustrations and a short commentary describe the sensory and motor neuron. (1.3)

⦁ Explain using illustrations, the function of a motor neuron and a sensory neuron in a reflex arc using the example of a knee jerk (patellar) reflex. (1.3)

⦁ Describe and explain the transmission of an action potential in a myelinated neurone (2.1)

⦁ Describe the all-or-nothing nature of nerve impulses (2.2)

⦁ Explain the importance of the myelin sheath and the refractory period in determining the speed of nervous impulses.(2.3)

⦁ Describe the structure of a cholinergic synapse, and explain how it functions.(3.1)

⦁ The illustration below explains the role of synapses. Explain the role of the synapse in the nervous system in determining the direction of nerve impulse transmission, allowing the interconnection of nerve pathways. (3.2)

⦁ Describe the role and effect of synaptic inhibition. (3.3.)

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