Unit IV: Respiration |
Specific Objectives
Students should be able to: |
Explanatory notes
|
Suggested Practical Activities
|
1. Discuss the importance of respiration to organisms
|
Definition, substrate and products, word equation; site of, form and importance of energy release; energy related to type of substrate.
|
Experiments to show release of energy and carbon dioxide by organisms. |
2. Compare and contrast aerobic and anaerobic respiration
|
Types - compare amounts of energy, products and when used; industrial importance of anaerobic.
|
|
3.Explain the mechanism of inhalation and exhalation
|
Inhalation - mechanisms for increasing/decreasing volumes; pressure and volume changes |
|
4. Discuss the features common to respiratory surfaces
|
Distinguish between inhaled and exhaled air; consider use of the bell jar.
|
|
5. Discuss ailments that are caused by environmental pollution
|
Allergies, lung cancer and other lung ailments.
|
Collect newspaper clippings, make histograms.
|
Go to Section A: unit V: Excretion |
thanks its better to use this
thanks its better to use this