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CSEC Human And Social Biology (Grade 9) By Dr. Marfo

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Instructor Image Douglas Marfo
63 Lessons
9 months
1 Student
Free
Enroll In This Course
IITAE Course UpdateGrade 9Secondary School Courses

CSEC Human And Social Biology (Grade 9) By Dr. Marfo

Instructor Image Douglas Marfo
63 Lessons
0
(0)
9 months
1 Student
Free Enroll In This Course
Introduction

RATIONALE

Human beings require knowledge of the ways in which the human body functions, of the interdependence of living things, and of the ways the total environment functions to support life on
earth in all its forms, in order to make intelligent decisions on matters at home, at work or in society, which routinely affect their health and, therefore, the quality of their lives. The study of Human and Social Biology provides students at secondary schools with an opportunity to begin acquiring this knowledge.

Human and Social Biology is concerned with the study of the structure and functioning of the human body. It also involves the application of biological principles, knowledge and skills, and technological advances, to the maintenance of health and to solve the problems of living together. The subject incorporates the view that human beings have a responsibility to their environment and, as such, have an obligation to conserve, protect, maintain and improve its quality.

AIMS

The syllabus aims to:

  1. develop an understanding of the structure and functioning of the human body;
  2. increase awareness about the interdependence of living things as they live in harmony with the environment;
  3. develop competencies that will enable students to adopt healthy lifestyles;
  4. develop experimental and data interpretation skills;
  5. increase awareness of technological advances;
  6. provide a foundation for further study or specialised training in fields such as, nursing, physiotherapy or dietetics, which require an understanding of the structure and functioning of the human body and the application of biological principles to the maintenance of health and healthy living.

Lessons

LIVING ORGANISMS AND THE ENVIRONMENT

Describe the characteristics of living organisms
- - -
Compare the structures of an unspecialised plant and animal cell and selected microbes
- - -
State the functions of cell structures
- - -
Identify selected cells which make up the human body
- - -
Explain the importance of cell specialisation in humans
- - -
Distinguish between osmosis and diffusion
- - -
Explain the importance of osmosis, diffusion and active transport in living systems
- - -
Explain the process of photosynthesis
- - -
Investigate the effect of light and chlorophyll on the production of starch
- - -
Explain the ways in which other living organisms depend on plants directly or indirectly for food
- - -
Explain the principles of a food chain
- - -
Construct a food chain from a selected habitat
- - -
Identify the trophic level of organisms in the food chain
- - -
Describe the recycling of carbon and nitrogen in nature
- - -

LIFE PROCESSES: NUTRITION

Describe the major nutrients and their sources
- - -
State the function and the main sources of vitamin A, B₁, C, D and the minerals calcium and iron
- - -
State the cause, symptoms and treatment of deficiency diseases
- - -
Classify vitamins as fat or water soluble
- - -
Perform tests to distinguish among food nutrients
- - -
State the functions of water in the body
- - -
State the role of dietary fibre in the body
- - -
Describe the causes and effects of constipation and diarrhoea
- - -
Explain what is meant by a balanced diet
- - -
Explain the effects of malnutrition on the human body
- - -
Determine Body Mass Index (BMI)
- - -
Use tables, charts and graphs to represent data on nutrition
- - -
Relate the types of teeth present in an infant and an adult human to their roles
- - -
Describe the importance of teeth in the process of digestion
- - -
Describe the structure and function of a typical tooth
- - -
Relate the structures of the tooth to their functions
- - -
State the causes of tooth decay
- - -
Describe the process of tooth decay
- - -
Outline guidelines for the care of the teeth
- - -
Explain the properties, role and importance of enzymes involved in digestion
- - -
Investigate the effects of temperature and pH on the activity of the enzymes, amylase and catalase in the digestive process
- - -
Identify the various structures of the digestive system
- - -
Relate the structures of the digestive system to their functions
- - -
Describe the process of digestion and absorption of food in the alimentary canal
- - -
Describe what happens to the products of digestion after their absorption
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Describe the structure of a villus in relation to absorption
- - -
Distinguish between egestion and excretion
- - -

LIFE PROCESSES: THE RESPIRATORY SYSTEM

Explain the importance of breathing in humans
- - -
Relate the structures of the respiratory tract to their functions
- - -
Describe the breathing mechanism
- - -
Outline the factors affecting rate of breathing
- - -
Explain the concept of vital capacity
- - -
Distinguish between gaseous exchange and breathing
- - -
Identify characteristics common to gaseous exchange surfaces
- - -
Differentiate between aerobic and anaerobic respiration
- - -
Explain the role of adenosine diphosphate (ADP) and adenosine triphosphate (ATP) in the transfer of energy
- - -
Explain the technique of mouth−to−mouth resuscitation
- - -
Explain the effects of cigarette smoking
- - -
Use tables, graphs and charts to represent data on the respiratory system
- - -

LIFE PROCESSES: THE CIRCULATORY SYSTEM

Explain the need for a transport system in the human body
- - -
Identify the materials which need to be transported around the human body
- - -
Relate the structures of the heart to their functions
- - -
Describe the structure and function of the heart
- - -
Explain the concept of blood pressure
- - -
Describe the structure and function of the circulatory system in humans
- - -
Relate the components of the blood to its function
- - -
Relate the structures of the arteries, veins and capillaries to their functions
- - -
Relate the structures of red blood cells, phagocytes and lymphocytes to their functions
- - -
Explain the process and the importance of blood clotting
- - -

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