| UNIT 2: The Respiratory System |
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Specific Objectives
Students should be able to:
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Explanatory notes
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1
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explain the importance of breathing in humans
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Starch,
reducing and non-reducing sugars,
lipids,
proteins;
mention chemical and physical properties of carbohydrates,
lipids and proteins.
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2
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relate the structures of the respiratory tract to their functions;
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Diagram of respiratory system.
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3
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describe the breathing mechanisms; * |
Emphasis on principles involved. Demonstrate using a model.
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4
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outline the factors affecting rate of breathing; |
Exercise, smoking, anxiety, drugs, environmental factors, altitude, weight. (Link to Specific Objective D5)
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| 5. |
explain the concept of vital capacity; |
Graphical representation required.
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| 6. |
distinguish between gaseous exchange and breathing; |
Inclusion of gaseous exchange in the alveoli; diagram of alveolus required. |
| 7. |
identify characteristics common to gaseous exchange surfaces;
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| 8. |
differentiate between aerobic and anaerobic respiration; |
definition of aerobic and anaerobic respiration respirations;
the products of respiration;
description of industrial and domestic applications of anaerobic respiration;
oxygen debt;
worded equations to represent the processes of aerobic and anaerobic respiration.
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| 9. |
explain the role of adenosine diphosphate (ADP) and adenosine triphosphate (ATP) in the transfer of energy; |
Adenosine triphosphate as the energy currency of the cell.
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| 10. |
explain the technique of mouth-to-mouth resuscitation; |
Definition of malnutrition (over and under nutrition),
obesity,
anorexia and bulimia,
protein and energy malnutrition (kwashiorkor, marasmus).
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| 11. |
explain the effects of cigarettes smoking; |
Effects of smoking as it relates to nicotine addiction,
damage to the lungs, carcinogenic properties and reduction in oxygen-carrying capacity of the blood.
Interpretation of data.
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| 12. |
use tables, graphs and charts to represent data on the respiratory system.
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Accounts
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