GRADE 8: ENDOCRINE SYSTEM

Research on the following:

1. What is a gland? How does it function?

2. What are the different gland in the body and their location?

3. How do exocrine glands differ from endocrine glands?

4. Define hormones and give their functions.

5. Why is the pituitary gland called the master of glands?

6. Why are adrenal glands called the emergency glands?

7. How can seafoods help prevent goiter?

8. Give the significant role of insulin in blood sugar level.

9. Predict the effect of removing the pancreas of a person.

10. Summarize the function of the endocrine glands:

a. pituitary

b. thyroid

c. parathyroid

d. thymus

e. adrenal

f. pancreas

g. liver

11. Why is the endocrine system considered a regulatory system?

12. What would happen if the adrenaline were continuously released in the body?

13. Do research on diabetes mellitus and diabetes insipidus- their difference in cause symptoms and treatment.

14. prostaglandins and the perception of pain

15. Negative feedback in hormonal function.

16. Why are some hormones taken orally, while others like insulin are injected in the body?

17. A swimmer's heartbeat increases significantly both before and after swimming. Explain

Grade 10: PORTFOLIO

Research the following:

1. Give the functions of the nervous system

2. What is a neuron?

3. Identify the structures concerned with the following:

a. screening the stimuli that reach the cerebrum

b. body controls of the autonomic nervous system

c. controlling heartbeat rate and breathing

4. Identify and give the functions of the following:

a. cranial nerves i. dendrites

b. sensory nerve fibers j. cerebellum

c. motor nerve fibers k. axon

d. spinal cord l. synapse

e. cerebral cortex m. olfactory nerve

f. medulla oblangata n. optic nerve

g. pons o. retina

h. pupil p. myelin sheath

5. Why is the rapid removal of acetylcholine important in controlling impulse transmission?

6. Explain how the following processes take place through your nervous system:

a. muscle contraction

b. heartbeat

c. expanding of blood vessels

d. vision during daytime and night time

e. hearing

7. Discuss the structure of the eye with its parts and functions

8. Discuss the structure of the ear with its parts and functions

Grade 9: TRANSPORT IN HUMANS

RESEARCH ON THE FOLLOWING:

1. What materials are transported during blood circulation?

2. Give the constituents of the blood.

3. What are the major functions of blood in our body?

4. State the roles performed by the following:

A. red blood cells

B. white blood cells

C. platelets

D. Veins

E. Capillaries

F. arteries

G. tricuspid valve

H. lymph

I. heart

J. pulmonary vein

K. spleen

5. How is blood clotting brought about?

6. Describe the function of the heart in transporting blood.

7. Describe the structure of the heart including its parts.

8. What is the role of the lungs in circulation?

9. What is a lymph? What is it made of? How is it transported in the body?

10. What is a complete blood count?

11. Discuss diseases of the blood and how they are brought about.

12 Do research on the work of William Harvey, and summarize his report on blood circulation.

13. Heart transplant and artificial heart.

14. What is a pacemaker?

Grade 10: Research

Research on the following:

1. Define digestion and its two major phases.

2. Why do we need to take a balanced diet?

3. Give an example of a balanced diet for a day.

4. What role do the following enzymes and secretions play where do the actions take place

a. salivary amylase

b. rennin

c. sucrase

d. maltase

e. lipase

f. bile

g. hydrochloric acid

h. pepsin

5. How do the following accessory organs perform their functions and aid digestion.

a. teeth

b. liver

c. pancreas

d. gallbladder

e. sphincter

f. tongue

6. Explain heartburn and its cause and effect.

7. In what what way is a calorie related to a change in weight?

8. Propose a daily diet for a weightlifter.

9. What vitamin deficiency will a pure vegetarian most likely suffer from?

10. Compare the human digestive system with an/a earthworm, chicken, paramecium, grasshopper and a frog.

Grade 9: REVIEW

THIS FOLLOWING TOPICS WILL BE A FORM OF REVIEWER TO ASSIST YOU IN YOUR SCHOOL EXAMINATION AND UNAS. TAKE IT SERIOUSLY.

RESEARCH THE FOLLOWING TOPICS:

1. Characteristics of LIFE

2. The scientific method

3. Cells, Tissue, Organ, Organs system

a. cell function

b. cell parts and functions

c. protoplasm

d. organelles and its function

d. specialized cells

4. Diffusion

5. Osmosis

6. Photosynthesis

7. Nutrients

8. Respiration

a. Aerobic

b. Anaerobic

9. Human skin: parts and function

10. Skeletal System

a. Function

b. Structure

c. Joints

d. Bone growth

11. Muscular System

a. Kinds of Muscles

b. How muscles work

12. Digestive System

a. Digestive Process and its organs

b. Alimentary Canal

c. Digestion in the stomach and small intestine

13. Transport system

a. Parts and Function of the circulatory system

b. Human blood and its parts

c. Blood clotting

d. Blood vessels

e. Human heart

14. Respiratory and Excretory System

a. Breathing

b. How lungs work

c. The kidneys

d. Urinary system

15. Nervous System

a. Parts of a Neuron

b. Central Nervous System

c. Peripheral Nervous System

d. Sense Organs

16. Endocrine System

17. Genetics

18. Animal Kingdom

a. Classification

b. Virus and Bacteria

c. Protozoan

d. Algae

e. Fungi

f. Plant Kingdom

g. Stems, Roots, Leaves

19. Ecology

a. biotic and abiotic factors

b. Ecosystem

GRADE 8: RESEARCH

Research on the following:

1. Give the functions of the nervous system.

2. What is a NEURON?

3. What is a STIMULI?

4. Identify and give the functions of the following:

a. cranial nerves

b. sensory nerve fibers

c. motor nerve fibers

d. dendrites

e. cerebellum

f. myelin sheath

g. spinal cord

h. cerebral cortex

i. medulla oblongata

j. pons

k. pupil

l. axon

m. synapse

n. olfactory nerve

o. optic nerve

p. retina

5. Can a person with normally functioning eyes still be blind? Why or why not?

6. Compare the sense of sight with that of other animals like the cat and the owl. Explain the differences.

7. What are the sense organs?

8. Research about the spinal chord.

9. Research about Luigi Galvani and his contribution to science.

10. How does caffeine affect your nervous system.

11. Research about the parts of the eye and its function.

12. Research about the parts of the ear and its function.

13. Show a diagram of the eye structure and ear structure.

14. How does the sense of smell help an organism to survive.

GRADE 9 1GCSE: PORTFOLIO RESEARCH

EVOLUTION

1. Research on the life and works of Charles Darwin.

2. Define Evolution and give its significance.

3. What is a fossil? Why is it important to evolutionists?

4. Describe how Darwin's voyage aboard the beagle influenced his thoughts about life on earth.

5. Choose one animal and trace the its evolution. Present the changes in the body and living habits.

6. Research on the factors responsible for the extinction of the dinosaurs.

7. Who is Lucy in the evolution?

8. Research on the life and works of Jean-Baptiste de Lamarck.

9. How did Lamarck and Darwin differ in their evolution concepts.

10. What is a lethal gene?

11. How does gene mutation cause variations in organisms.

12. Research about the Galapagos Islands and it s importance.

13. Research about a plant or animal that have undergone variations.

14. Research about the background on Human evolution briefly.

15. What is speciation?