NZQA registered unit standard 12706 version 4
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Title Describe the human digestive system
Level
Purpose
4 Credits 2
People credited with this unit standard are able to describe: normal structure and function of the digestive system; the process of digestion; and the absorption and metabolism of the products of digestion.
Classification
Available grade
Health, Disability, and Aged Support > Core Health
Achieved
Explanatory notes
1 Reference
Marieb, E.N. (2010). Essentials of human anatomy and physiology (10th ed.). San
Francisco, CA: Pearson/Benjamin Cummings.
2 As the content of this unit standard is largely informational, evidence requirements assume that knowledge will be acquired from the reference text in conjunction with models and other information-bearing media. In this regard it is expected that outcomes and evidence will be in accordance with the reference text.
3 Definition
Normal structure and function refers to structure and function which are not impaired by abnormalities or dysfunction.
Outcome 1
Describe normal structure and function of the digestive system.
Range mouth, pharynx, oesophagus, stomach, duodenum, small intestine, large intestine, pancreas, liver, gall bladder, rectum, anus, sphincters.
Evidence requirements
1.1 The normal structure of the component parts of the digestive system is described.
1.2 The normal functions of the component parts of the digestive system are described.
Community Support Services ITO Limited
SSB Code 101814

New Zealand Qualifications Authority 2020

NZQA registered unit standard
Range
12706 version 4
Page 2 of 3 ingestion; digestion – mechanical and chemical; absorption; elimination.
Outcome 2
Describe the process of digestion.
Evidence requirements
2.1 The mechanical movements of the gastrointestinal tract are described in relation to the movement of food through the digestive tract.
Range mastication, deglutition, churning of chyme, peristalsis, sphincter control.
2.2 The conversion of carbohydrates, proteins, and fats into digestive end products is identified.
Range
Outcome 3 glucose, amino acids, fatty acids.
Describe the absorption and metabolism of the products of digestion.
Evidence requirements
3.1 The sites of absorption of substances are identified.
Range substances – water, glucose, fatty acids, amino acids, alcohol, drugs, vitamins, minerals.
3.2 The metabolism of absorbed substances is described in relation to their uptake, storage and use in the body.
Range substances stored in the liver; main uses of – glucose, fatty acids, amino acids.
Planned review date 31 December 2017
Status information and last date for assessment for superseded versions
Process Version Date Last Date for Assessment
Registration
Review
1
2
23 October 1998
26 May 2004
31 December 2012
31 December 2012
Review
Review
3
4
20 March 2008
20 September 2012
31 December 2012
N/A
Community Support Services ITO Limited
SSB Code 101814

New Zealand Qualifications Authority 2020

NZQA registered unit standard 12706 version 4
Page 3 of 3
0024 Consent and Moderation Requirements (CMR) reference
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do
.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Community Support Services ITO Limited info@careerforce.org.nz if you wish to suggest changes to the content of this unit standard.
Community Support Services ITO Limited
SSB Code 101814

New Zealand Qualifications Authority 2020