TRANSPORT IN PLANTS AND ANIMALS

Rates of transpiration on leaf surfaces.

By the end of the lesson, the learner should be able to:
To describe simple experiments to show rates of transpiration on leaf surfaces.

Discuss above observations.
Draw graphs to show rates of transpiration on leaf surfaces.
Answer questions.

text book

K.L.B. BOOK 2
Page 18

TRANSPORT IN PLANTS AND ANIMALS

Translocation of organic compounds.
Transport in Animals. Open and closed circulatory systems. Open circulatory system in insects.

By the end of the lesson, the learner should be able to:
To define translocation.
To describe the structure of phloem tissue.



To differentiate between open and closed circulatory systems.

To discuss open circulatory system in insects.

Q/A: To review photosynthesis.
Discussion and explanations of structure of phloem tissue.
Drawing and labeling phloem tissue.




Exposition and discussion.

Drawing and labeling diagrams.

Chart - phloem tissue.



Charts- Circulatory systems.

K.L.B. BOOK 2
Page 17
K.L.B. BOOK 2
Pages 18 - 19

TRANSPORT IN PLANTS AND ANIMALS

Single and double circulatory systems.

By the end of the lesson, the learner should be able to:
To differentiate between single and double circulatory systems.

Exposition and discussion.
Tracing the path followed by blood from a point and back to the same point.

Chart- Mammalian double circulation system.

K.L.B. BOOK 2
Pages 18-20

TRANSPORT IN PLANTS AND ANIMALS

The mammalian heart ? external structure.

By the end of the lesson, the learner should be able to:
To describe the external structure of the heart.

Exposition; Identifying compartments of the heart.

Model of a heart.

K.L.B. BOOK 2
Pages 21 - 22

TRANSPORT IN PLANTS AND ANIMALS

Internal structure of mammalian heart.
Pumping mechanism of the heart.

By the end of the lesson, the learner should be able to:
Draw compartments of the heart and label major parts.
To differentiate between systolic and diastolic heart movements.

Drawing and labeling a diagram of a mammalian heart.
Discussion and Explanations.
Experiment- To investigate pulse rate at the wrist.

Model of a heart, wallcharts.
Stopwatches.

K.L.B. BOOK 2
Pages 22 -23
K.L.B. BOOK 2
Pages 23 - 24

TRANSPORT IN PLANTS AND ANIMALS

Pulse rate.

By the end of the lesson, the learner should be able to:
Explain the origin of pulse.
Explain effect of exercise on pulse rate.

Record number of pulses before and after an exercise.
Brief discussion.

Stopwatches.

K.L.B. BOOK 2
Pages 30 - 31

TRANSPORT IN PLANTS AND ANIMALS

Structure of arteries. Major arteries.

By the end of the lesson, the learner should be able to:
To describe the structure of arteries.

To identify major arteries in the circulatory system.

Discussion
Drawing and labeling internal structure of an artery.

Chart- cross-section of an artery.
Chart-circulatory system.

K.L.B. BOOK 2
Page 25

TRANSPORT IN PLANTS AND ANIMALS

Veins.
Capillaries.

By the end of the lesson, the learner should be able to:
To describe the structure of veins.
To explain the need for valves in veins.
To state differences between veins and arteries.


To describe the structure of capillaries.
To explain the role of capillaries in transport

Drawing and labeling diagram of an artery.
Discussion and explanations.

Chart-
cross-sections of major blood vessels in the body.
text book

K.L.B. BOOK 2
Pages 27-29
K.L.B. BOOK 2
Pages 25-26

TRANSPORT IN PLANTS AND ANIMALS

Diseases and defects of the circulatory system.

By the end of the lesson, the learner should be able to:
To discuss various diseases and defects of the circulatory system.

Discussion of various diseases and defects of the circulatory system.
Suggest methods of prevention and control.

text book

K.L.B. BOOK 2
Pages 31 - 32

TRANSPORT IN PLANTS AND ANIMALS

Composition of blood. The plasma.

By the end of the lesson, the learner should be able to:
To state the constituents of blood plasma.
To identify functions of plasma.

Detailed discussion and explanations.

text book

K.L.B. BOOK 2
Pages 32 - 33

TRANSPORT IN PLANTS AND ANIMALS

Red blood cells.
White blood cells.

By the end of the lesson, the learner should be able to:
To state the functions of red blood cells.
To explain the functions of haemoglobin in r.b.c.


To describe the structure of white blood cells.
To state functions of white blood cells.

Detailed discussion and explanations.

Wall charts.
text book

K.L.B. BOOK 2
Pages 33 - 34
K.L.B. BOOK 2
Pages 34 - 35

TRANSPORT IN PLANTS AND ANIMALS

Platelets.

By the end of the lesson, the learner should be able to:
To describe the structure of platelets.
To state functions of platelets.

Detailed discussion and explanations.

text book

K.L.B. BOOK 2
Page 35

TRANSPORT IN PLANTS AND ANIMALS

Blood clotting.

By the end of the lesson, the learner should be able to:
To describe the blood clotting process.

To explain importance of blood clotting.

Exposition of new concepts.
Detailed discussion.

Blood smear, microscope.

K.L.B. BOOK 2
Page 36

TRANSPORT IN PLANTS AND ANIMALS

Blood groups, Antigens and antibodies.
Blood transfusion.
The Rhesus factor.

By the end of the lesson, the learner should be able to:
To identify the four blood groups.
To identify compatible blood groups.
To define blood transfusion.
To identify compatible blood groups.
To identify the universal donor and universal recipient.

Completing a table of blood groups and the corresponding antigens and antibodies present.
Q/A: Identifying compatible blood groups.
Open discussion.
Completing a table of compatible blood groups.

Chart-
blood groups, antigens and antibodies.

Blood transfusion resource person.
text book

K.L.B. BOOK 2
Pages
K.L.B. BOOK 2
Pages 30 - 31

TRANSPORT IN PLANTS AND ANIMALS

Lymph.
Immune responses.

By the end of the lesson, the learner should be able to:
To describe formation and functions of lymph.

Exposition, discussion and explanations.

Chart- the lymphatic system.
Chart- Diseases that children are immunized against;
Resource person.

K.L.B. BOOK 2
Pages 38 - 40

TRANSPORT IN PLANTS AND ANIMALS

Allergic reactions.

By the end of the lesson, the learner should be able to:
To define an allergic reaction.
To identify ways in which allergy presents itself.
To explain cause of allergic reactions.

Q/A: Manifestations of allergy.

Exposition and brief explanations.

text book

K.L.B. BOOK 2
Page 43

TRANSPORT IN PLANTS AND ANIMALS
GASEOUS EXCHANGE

Organ transplant.
Introduction. Gaseous exchange in plants.
Release of CO2 by plants.

By the end of the lesson, the learner should be able to:
To identify organs that are normally transplanted.


To explain importance of gaseous exchange.

To describe gaseous exchange in plants.

Q/A: Organs transplanted.

Superficial discussion.

Topic review.


Discussion
Explanations

Q/A: Products of respiration.
Detailed discussion.

text book
text book
Bicarbonate indicator, boiling tubes, Aluminum foil.

K.L.B. BOOK 2
Page 43
K.L.B. BOOK 2
P. 48

GASEOUS EXCHANGE

Release of O2 by plants.

By the end of the lesson, the learner should be able to:
To describe an experiment to show release of O2 by plants.

Teacher demonstration: Test for the gas evolved.
Discuss observations.

Gas jar,
Glass funnel,
Water plant,
Beaker.

K.L.B. BOOK 2
P. 49

GASEOUS EXCHANGE

Stomata.

By the end of the lesson, the learner should be able to:
To describe the structure and explain the functions of stomata.

Detailed discussion.
Drawing diagrams.

text book

K.L.B. BOOK 2
P. 51

GASEOUS EXCHANGE

Stomata.

By the end of the lesson, the learner should be able to:
To describe the structure and explain the functions of stomata.

Detailed discussion.
Drawing diagrams.

text book

K.L.B. BOOK 2
P. 51

GASEOUS EXCHANGE

Stomata.

By the end of the lesson, the learner should be able to:
To describe the structure and explain the functions of stomata.

Detailed discussion.
Drawing diagrams.

text book

K.L.B. BOOK 2
P. 51

GASEOUS EXCHANGE

Opening & closing of stomata.
Stomata and habitats of plants.

By the end of the lesson, the learner should be able to:
To describe and explain the mechanism of opening & closing of stomata.

Detailed discussion.

text book
Prepared slides of hydrophytes and xerophytes.

K.L.B. BOOK 2
P. 51

GASEOUS EXCHANGE

Lenticels.
Respiratory surfaces in animals.
Gaseous exchange in protozoa.

By the end of the lesson, the learner should be able to:
To describe and explain the mechanism of lenticels.

To describe the mechanism of gaseous exchange in an amoeba.

Detailed discussion.
Q/A: Review diffusion, structure of an amoeba.
Discuss briefly gaseous exchange in and out of amoeba.

text book

K.L.B. BOOK 2
P. 52
K.L.B. BOOK 2
P. 53

GASEOUS EXCHANGE

Gaseous exchange in insects.

By the end of the lesson, the learner should be able to:
To describe the mechanism of gaseous exchange in insects

Drawing tracheal system of a grasshopper.
Discuss at length the structure of the tracheal system.
Detailed discussion.

text book

K.L.B. BOOK 2
PP. 53, 54

GASEOUS EXCHANGE

Breathing in insects.
Number, position and shape of spiracles of insects.
Gaseous exchange in a bony fish.

By the end of the lesson, the learner should be able to:
To describe the breathing mechanism in an insect.

Observe breathing movements of live specimens of grasshoppers, locusts or cockroaches.

Live specimens of insects,
Hand lenses,
Boiling tubes.
Live specimens of insects.

A gill of a fish.

K.L.B. BOOK 2
P. 56

GASEOUS EXCHANGE

Gaseous exchange in amphibians.
Gaseous exchange in mammals.
The structure of the lungs.
Inhalation.

By the end of the lesson, the learner should be able to:
To explain the mechanism of gaseous exchange in a frog.
To explain adaptations of the lungs to their functions.

Q/A: Various methods of gaseous exchange in a frog.
Discuss gaseous exchange through the mouth, lungs and skin of a frog.

Drawing labeled diagrams coupled with explanations.

text book
Wall chart- Respiratory system in man.
Wall charts- Structure of lungs.
Chart / model of a rib cage.

K.L.B. BOOK 2
P. 58
K.L.B. BOOK 2
P. 60-1

GASEOUS EXCHANGE

Exhalation.
Thoracic cavity model.

By the end of the lesson, the learner should be able to:
To describe the process of exhalation in man.

Showing movements of ribs during exhalation.
Explain the exhalation mechanism.

Chart / model of a rib cage.
Thoracic cavity model.

K.L.B. BOOK 2
PP. 61-62

GASEOUS EXCHANGE

Gaseous exchange in an alveolus.

By the end of the lesson, the learner should be able to:
To describe gaseous exchange in an alveolus.
To explain regulation of breathing in man.

Discussion and explanations.

text book

K.L.B. BOOK 2
P. 64

GASEOUS EXCHANGE

Rate of breathing in man.
Intercostal muscles.
Inhaled and exhaled air.

By the end of the lesson, the learner should be able to:
To state and explain briefly factors affecting the rate of inhalation / exhalation processes.


To explain the function of intercostal muscles during the breathing system.

Discussion and explanations.
Detailed discussion.
Counting number of inhalations before and after an exercise blow.

text book
Lime water, rib cage model.
Lime water.

K.L.B. BOOK 2
P. 63
K.L.B. BOOK 2
P. 66

GASEOUS EXCHANGE

Diseases of the respiratory system.

By the end of the lesson, the learner should be able to:
To state the causes, symptoms and prevention of respiratory diseases.

Discuss cause, symptoms and prevention of whooping cough TB, bronchitis, etc.

Resource person.

K.L.B. BOOK 2
PP. 67-70