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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 4 |
EXCRETION AND HOMEOSTASIS
|
Introduction- Definition and importance of homeostasis and excretion.
|
By the end of the lesson, the learner should be able to:
To define homeostasis and excretion. To explain necessity of excretion in plants and animals. |
Q/A: Definitions of digestion, ingestion and egestion, secretion and excretion. Discuss importance of excretion in plants and animals. |
text book
|
K.L.B. BK 2
PP. 83-84 |
|
| 2 | 1 |
EXCRETION AND HOMEOSTASIS
|
Excretion in plants.
|
By the end of the lesson, the learner should be able to:
To name plants excretory products. To state uses of excretory products of plants. |
Probing questions.
Exposition of new terms. Discuss uses and abuses of plant excretory products. |
Some plants excretory products.
|
K.L.B. BK 2
PP. 83-84 |
|
| 2 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in unicellular organisms.
Excretion and homeostasis in animals. |
By the end of the lesson, the learner should be able to:
Describe excretion and homeostasis in an amoeba and a paramecium. To identify excretory organs in various animals. |
Q/A: Review diffusion, structure of an amoeba.
Discuss excretion and homeostasis in an amoeba and a paramecium. Exposition and discussion. Observe drawings of various animals showing excretory organs. |
text book
Specimens of platyhelmin-thes, annelida, insects. |
K.L.B. BK 2
PP. 84-85 K.L.B. BK 2 P. 85 |
|
| 2 | 4 |
EXCRETION AND HOMEOSTASIS
|
The mammalian skin.
|
By the end of the lesson, the learner should be able to:
Draw and label the structure of the mammalian skin. To describe functions of parts of the mammalian skin. |
|
Permanent slides of mammalian skin.
|
K.L.B. BK 2
PP. 86-87 |
|
| 3 | 1 |
EXCRETION AND HOMEOSTASIS
|
The lungs.
|
By the end of the lesson, the learner should be able to:
To explain the role of lungs as excretory organs. |
Exposition and discussion.
|
Chart/ model- Mammalian lungs.
|
K.L.B. BK 2
P. 87 |
|
| 3 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
The kidneys structure.
The nephron. |
By the end of the lesson, the learner should be able to:
To describe the external structure of kidney. To describe the internal structure of the kidney. Describe features of the nephron. |
Observe external features of a kidney.
Observe internal drawing and labeling of the kidney. Discuss features of the nephron. Draw structure of the nephron. Label the diagram. |
Wall-Charts?internal organs of a kidney.
Chart?Kidney nephron. |
K.L.B. BK 2
PP. 89-90 |
|
| 3 | 4 |
EXCRETION AND HOMEOSTASIS
|
Urine formation.
|
By the end of the lesson, the learner should be able to:
To explain formation of urine. |
Detailed discussion.
|
chart
|
K.L.B. BK 2 PP 90
|
|
| 4 | 1 |
EXCRETION AND HOMEOSTASIS
|
The loop of Henle.
Kidney diseases and disorders. |
By the end of the lesson, the learner should be able to:
To explain the function of the loop of Henle; and how it?s adapted to its function. To discuss the role of ADH in determination of concentration of urine. To name kidney diseases and disorders and state methods of prevention and / treatment. |
Discussion and explanations.
Probing questions. |
Chart-
The nephron. text book |
K.L.B. BK 2 PP 91-92
|
|
| 4 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
The Liver.
Deamination. Other functions of the liver. Liver disorders. |
By the end of the lesson, the learner should be able to:
To draw and label a diagram of the liver. To explain the function of the liver in deamination. To state and explain other functions of the liver. To name and discuss kidney disorders. To identify methods of preventing and treating these disorders. |
Drawing and labeling diagram of the liver.
Probing questions. Discussion Probing questions. Discussion Exposition and discussion. |
Chart-Structure of the liver
text book |
K.L.B. BK 2 PP 93-94
K.L.B. BK 2 PP 95-96 |
|
| 4 | 4 |
EXCRETION AND HOMEOSTASIS
|
Homeostasis.
The feedback mechanism. |
By the end of the lesson, the learner should be able to:
To define the concepts of internal environment and homeostasis. To differentiate between positive and negative feedback and state their roles in maintaining the desirable point. |
Exposition and discussion.
Schematic representation of feedbacks. |
text book
Chart- Schematic diagram of feedback mechanism |
K.L.B. BK 2 PP 97-98
|
|
| 5 | 1 |
EXCRETION AND HOMEOSTASIS
|
The hypothalamus.
The skin and thermoregulation. |
By the end of the lesson, the learner should be able to:
To explain the role of hypothalamus in thermoregulation. To explain the function of the skin in thermoregulation. |
Exposition and detailed discussion.
Exposition and discussion. |
text book
|
K.L.B. BK 2 PP 98
|
|
| 5 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Blood vessels and their functions in thermo-regulation.
Homeostatic behavioral activities. Osmoregulation. |
By the end of the lesson, the learner should be able to:
To explain the adaptation of blood vessels and their function in thermo-regulation. To state and explain various homeostatic behavioral activities. To describe water and salts balance in the body. |
Exposition and discussion.
Drawing schematic diagrams. Discussion on control of body temperature. Probing questions. Detailed discussion. |
text book
text book,video text book |
K.L.B. BK 2 PP 98-99
K.L.B. BK 2 PP 99 |
|
| 5 | 4 |
EXCRETION AND HOMEOSTASIS
|
Blood sugar.
Diabetes. |
By the end of the lesson, the learner should be able to:
To discuss effects of insufficient/ excess sugar in the blood. To explain regulation of blood sugar. To distinguish diabetes mellitus from diabetes inspidus. To identify simple symptoms of diabetes mellitus and diabetes inspidus. |
Detailed discussion.
Detailed discussion. Probing questions. Topic review. |
text book
|
K.L.B. BK 2 PP 101-102
|
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