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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
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 |
|
| 1 | 2-3 |
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 |
|
| 1 | 4 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in unicellular organisms.
|
By the end of the lesson, the learner should be able to:
Describe excretion and homeostasis in an amoeba and a paramecium. |
Q/A: Review diffusion, structure of an amoeba.
Discuss excretion and homeostasis in an amoeba and a paramecium. |
text book
|
K.L.B. BK 2
PP. 84-85 |
|
| 2 | 1 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in animals.
|
By the end of the lesson, the learner should be able to:
To identify excretory organs in various animals. |
Exposition and discussion.
Observe drawings of various animals showing excretory organs. |
Specimens of platyhelmin-thes, annelida, insects.
|
K.L.B. BK 2
P. 85 |
|
| 2 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in animals.
|
By the end of the lesson, the learner should be able to:
To identify excretory organs in various animals. |
Exposition and discussion.
Observe drawings of various animals showing excretory organs. |
Specimens of platyhelmin-thes, annelida, insects.
|
K.L.B. BK 2
P. 85 |
|
| 2 | 4 |
EXCRETION AND HOMEOSTASIS
|
Excretion and homeostasis in animals.
|
By the end of the lesson, the learner should be able to:
To identify excretory organs in various animals. |
Exposition and discussion.
Observe drawings of various animals showing excretory organs. |
Specimens of platyhelmin-thes, annelida, insects.
|
K.L.B. BK 2
P. 85 |
|
| 3 | 1 |
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 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
The mammalian skin.
The lungs. |
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. To explain the role of lungs as excretory organs. |
Exposition and discussion. |
Permanent slides of mammalian skin.
Chart/ model- Mammalian lungs. |
K.L.B. BK 2
PP. 86-87 K.L.B. BK 2 P. 87 |
|
| 3 | 4 |
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 |
|
| 4 | 1 |
EXCRETION AND HOMEOSTASIS
|
The kidneys structure.
|
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. |
Observe external features of a kidney.
Observe internal drawing and labeling of the kidney. |
Wall-Charts?internal organs of a kidney.
|
K.L.B. BK 2
PP. 89-90 |
|
| 4 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
The nephron.
|
By the end of the lesson, the learner should be able to:
Describe features of the nephron. |
Discuss features of the nephron.
Draw structure of the nephron. Label the diagram. |
Chart?Kidney nephron.
|
|
|
| 4 | 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
|
|
| 5 | 1 |
EXCRETION AND HOMEOSTASIS
|
The loop of Henle.
|
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. |
Discussion and explanations.
Probing questions. |
Chart-
The nephron. |
K.L.B. BK 2 PP 91-92
|
|
| 5 | 2-3 |
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
K.L.B. BK 2 PP 92 |
|
| 5 | 4 |
EXCRETION AND HOMEOSTASIS
|
The Liver.
|
By the end of the lesson, the learner should be able to:
To draw and label a diagram of the liver. |
Drawing and labeling diagram of the liver.
|
Chart-Structure of the liver
|
K.L.B. BK 2 PP 93-94
|
|
| 6 | 1 |
EXCRETION AND HOMEOSTASIS
|
Deamination.
|
By the end of the lesson, the learner should be able to:
To explain the function of the liver in deamination. |
Probing questions.
Discussion |
text book
|
K.L.B. BK 2 PP 95
|
|
| 6 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Other functions of the liver.
Liver disorders. |
By the end of the lesson, the learner should be able to:
To state and explain other functions of the liver. To name and discuss kidney disorders. To identify methods of preventing and treating these disorders. |
Probing questions.
Discussion Exposition and discussion. |
text book
|
K.L.B. BK 2 PP 95-96
K.L.B. BK 2 PP 96-97 |
|
| 6 | 4 |
EXCRETION AND HOMEOSTASIS
|
Homeostasis.
|
By the end of the lesson, the learner should be able to:
To define the concepts of internal environment and homeostasis. |
Exposition and discussion.
|
text book
|
K.L.B. BK 2 PP 97-98
|
|
| 7 | 1 |
EXCRETION AND HOMEOSTASIS
|
The feedback mechanism.
|
By the end of the lesson, the learner should be able to:
To differentiate between positive and negative feedback and state their roles in maintaining the desirable point. |
Schematic representation of feedbacks.
Exposition and discussion. |
Chart-
Schematic diagram of feedback mechanism |
K.L.B. BK 2 PP 97-98
|
|
| 7 | 2-3 |
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
|
|
| 7 | 4 |
EXCRETION AND HOMEOSTASIS
|
Blood vessels and their functions in thermo-regulation.
|
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. |
Exposition and discussion.
Drawing schematic diagrams. |
text book
|
K.L.B. BK 2 PP 98-99
|
|
| 8 | 1 |
EXCRETION AND HOMEOSTASIS
|
Homeostatic behavioral activities.
|
By the end of the lesson, the learner should be able to:
To state and explain various homeostatic behavioral activities. |
Discussion on control of body temperature.
Probing questions. |
text book,video
|
K.L.B. BK 2 PP 99
|
|
| 8 | 2-3 |
EXCRETION AND HOMEOSTASIS
|
Osmoregulation.
Blood sugar. |
By the end of the lesson, the learner should be able to:
To describe water and salts balance in the body. To discuss effects of insufficient/ excess sugar in the blood. To explain regulation of blood sugar. |
Detailed discussion.
Detailed discussion. Detailed discussion. |
text book
|
K.L.B. BK 2 PP 100-101
K.L.B. BK 2 PP 101-102 |
|
| 8 | 4 |
EXCRETION AND HOMEOSTASIS
|
Diabetes.
|
By the end of the lesson, the learner should be able to:
To distinguish diabetes mellitus from diabetes inspidus. To identify simple symptoms of diabetes mellitus and diabetes inspidus. |
Detailed discussion.
Probing questions. Topic review. |
text book
|
K.L.B. BK 2 PP 103
|
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