TRANSPORT IN PLANTS AND ANIMALS

Introduction. Transport in plants Transport in simple plants.
External structure of the root.
Internal structure of the root.
Structure and functions of the stem.

By the end of the lesson, the learner should be able to:


Define transport.

Explain importance of transport in plants and animals.
Describe transport in simple plants.

Q/A and discussion;
Discuss transport in simple animals and plants e.g. mosses.

text book
Tap root, bean / pea seedlings.
Petri-dish
Razor blade.
Permanent slides of roots,
microscope, wallchart.

K.L.B. BOOK 2
Page 1

TRANSPORT IN PLANTS AND ANIMALS

Internal structure of the stem.
Absorption of water and mineral salts.
Significance and types of Transpiration.
Factors affecting rate of transpiration.
The Xylem tissue. Forces involved in transport of water and mineral salts.
Rates of transpiration on leaf surfaces.
Translocation of organic compounds.
Transport in Animals. Open and closed circulatory systems. Open circulatory system in insects.
Single and double circulatory systems.
The mammalian heart ? external structure.

By the end of the lesson, the learner should be able to:
To draw and label internal stem structures.

Drawing and labeling transverse sections of stems.

Wall charts - Internal structure of the stem.
Wall charts ?
Root hairs.
Internal structure of a leaf.
text book
Wall charts-The xylem tissue.
Chart - phloem tissue.
Charts- Circulatory systems.
Chart- Mammalian double circulation system.
Model of a heart.

K.L.B. BOOK 2
Pages 5- 7

TRANSPORT IN PLANTS AND ANIMALS

Internal structure of mammalian heart.
Pumping mechanism of the heart.
Pulse rate.
Structure of arteries. Major arteries.
Veins.
Capillaries.
Diseases and defects of the circulatory system.
Composition of blood. The plasma.
Red blood cells.
White blood cells.

By the end of the lesson, the learner should be able to:
Draw compartments of the heart and label major parts.

Drawing and labeling a diagram of a mammalian heart.

Model of a heart, wallcharts.
Stopwatches.
Chart- cross-section of an artery.
Chart-circulatory system.
Chart-
cross-sections of major blood vessels in the body.
text book
Wall charts.

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

TRANSPORT IN PLANTS AND ANIMALS
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
GASEOUS EXCHANGE
RESPIRATION
RESPIRATION

Platelets.
Blood clotting.
Blood groups, Antigens and antibodies.
Blood transfusion.
The Rhesus factor.
Lymph.
Introduction. Gaseous exchange in plants.
Release of CO2 by plants.
Release of O2 by plants.
Stomata.
Opening & closing of stomata.
Stomata and habitats of plants.
Lenticels.
Respiratory surfaces in animals.
Gaseous exchange in protozoa.
Gaseous exchange in insects.
Breathing in insects.
Number, position and shape of spiracles of insects.
Gaseous exchange in a bony fish.
Gaseous exchange in amphibians.
Gaseous exchange in mammals.
The structure of the lungs.
Inhalation.
Exhalation.
Thoracic cavity model.
Gaseous exchange in an alveolus.
Rate of breathing in man.
Intercostal muscles.
Inhaled and exhaled air.
Diseases of the respiratory system.
Introduction ? Definition and importance of respiration.
Burning food.

By the end of the lesson, the learner should be able to:
To describe the structure of platelets.
To state functions of platelets.
To describe the mechanism of gaseous exchange in insects

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

text book
Blood smear, microscope.
Chart-
blood groups, antigens and antibodies.
Blood transfusion resource person.
Chart- the lymphatic system.
Bicarbonate indicator, boiling tubes, Aluminum foil.
Gas jar,
Glass funnel,
Water plant,
Beaker.
Prepared slides of hydrophytes and xerophytes.
text book
Live specimens of insects,
Hand lenses,
Boiling tubes.
Live specimens of insects.

A gill of a fish.
Wall chart- Respiratory system in man.
Wall charts- Structure of lungs.
Chart / model of a rib cage.
Thoracic cavity model.
Lime water, rib cage model.
Lime water.
Resource person.

K.L.B. BOOK 2
Page 35
K.L.B. BOOK 2
PP. 53, 54

RESPIRATION
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASIS

The mitochondrion.
Aerobic respiration.
Anaerobic respiration.
Oxygen ?debt?.
Applications of anaerobic respiration.
Respiratory substrates & respiratory quotient.
Rate of respiration.
Introduction- Definition and importance of homeostasis and excretion.
Excretion in plants.
Excretion and homeostasis in unicellular organisms.
Excretion and homeostasis in animals.
The mammalian skin.
The lungs.
The kidneys structure.
The nephron.
Urine formation.
The loop of Henle.
Kidney diseases and disorders.
The Liver.
Deamination.
Other functions of the liver.
Liver disorders.
Homeostasis.
The feedback mechanism.
The hypothalamus.
The skin and thermoregulation.
Blood vessels and their functions in thermo-regulation.
Homeostatic behavioral activities.
Osmoregulation.
Blood sugar.
Diabetes.

By the end of the lesson, the learner should be able to:
To state functions of mitochondrion in respiration.

Drawing structure of the mitochondrion.
Explain function of the mitochondrion.

Wall charts- The mitochond-rion
text book
Glucose
Yeast
Thermometer
Some plants excretory products.
Specimens of platyhelmin-thes, annelida, insects.
Permanent slides of mammalian skin.
Chart/ model- Mammalian lungs.
Wall-Charts?internal organs of a kidney.
Chart?Kidney nephron.
chart
Chart-
The nephron.
Chart-Structure of the liver
Chart-
Schematic diagram of feedback mechanism
text book,video

K.L.B. BK 2
P. 74