Human and Social Biology

Front Cover
Copyright
Contents
Introduction
Unit A
	A 1: Cells, Tissues, Organ Systems, Whole Organisms
		A.1.1: Characteristics of Living Organisms
		A.1.2: Animal and Plant Cells
		A.1.3: Microbes
		A.1.4: Specialised Cells
		Summary
		Practice Questions
	A 2: Movement Into and Out of Cells
		A.2.1: Matter and Energy
		A.2.2: Movement Across Cell Surface Membranes
		Summary
		Practice Questions
	A 3: Photosynthesis, Food Chains and Food Webs
		A.3.1: Photosynthesis
		A.3.2: Interdependence of Organisms
		Summary
		Practice Questions
	A 4: Energy Flow and Cycles
		A.4.1: Energy Through an Ecosystem
		A.4.2: Carbon and Nitrogen Cycles
		Summary
		Practice Questions
Unit B
	B 1: Nutrition
		B.1.1: Balanced Diet
		B.1.2: Teeth
		B.1.3: Enzymes
		B.1.4: Digestive System
		B.1.5: Absorption and the fate of digested products
		B.1.6: Undereating and Overeating
		Summary
		Practice Questions
	B 2: The Respiratory (Gas Exchange) System
		B.2.1: The Strucutre of the breathing and gas exchange system
		B.2.2: The breathing mechanism
		B.2.3: Smoking
		B.2.4: Cell Respiration
		Summary
		Practice Questions
	B 3: The Circulatory System
		B.3.1: The Role of Blood
		B.3.2: Heart Structure and Function
		B.3.3: The Circulatory System
		B.3.4: Heart Disease
		Summary
		Practice Questions
	B 4: The Skeletal System
		B.4.1: Bones of the skeleton and their uses
		B.4.2: Bones, Cartilage and Joints
		B.4.3: Function of skeletal muscle
		Summary
		Practice Questions
	B 5: Homeostasis
		B.5.1: Excretion
		B.5.2: The functions of the kidney
		B.5.3: Kidneys and health
		B.5.4: Homeostasis
		B.5.5: Skin
		Summary
		Practice Questions
	B.6: Coordination and  Control
		B.6.1: The Nervous System
		B.6.2: Nerves, Neurones and Reflexes
		B.6.3: How neurons send impulses
		B.6.4: The Endocrine System
		B.6.5: Types of Receptor
		B.6.6: The Eye
		B.6.7: Eye Defects
		Summary
		Practice Questions
	B 7: Reproduction
		B.7.1: The Reproductive Systems
		B.7.2: Egg and Sperm Production
		B.7.3: The Menstrual Cycle
		B.7.4: Fertilisation and Implantation
		B.7.5: Pregnancy and the role of the placenta
		B.7.6: Birth
		B.7.7: Family Planning
		Summary
		Practice Questions
Unit C
	C 1: Heredity and Variation
		C.1: Chromosomes and Genes
		C.2: Mitosis
		C.3: Meiosis
		C.4: Variation
		Untitled
		rid Inheritance
		C.6: Genetic Engineering
		Summary
		Practice Questions
Unit D
	D 1: Disease and its impact on humans
		D.1: Health and Disease
		D.2: Non-communicable (non-infectious) diseases
		D.3: Communicable (infectious) diseases
		D.4: Effect of vectors on human health
		D.5: Methods of controlling microbial growth
		D.6: The body's defence against disease
		D.7: Use and misuse of drugs
		Summary
		Practice Questions
Unit E
	E.1: Pollutants and their effects
	E.2: Water - its cycling and treatment
	E.3: Sewage
	E.4: Refuse disposal
	Summary
	Practice Questions
Index
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