1. Health & Drugs
1.1. Pathogens and Disease
1.1.1. HLTH_001 - Infectious disease
1.1.1.1. HLTH_001p1 - in-depth example of infectious disease
1.1.2. HLTH_002 - Non-Infectious disease
1.1.2.1. HLTH_002p1 - in-depth example of non-infectious disease
1.1.3. HLTH_003 - How bacteria causes illness
1.1.3.1. HLTH_003p1 - salmonella
1.1.4. HLTH_004 - How viruses cause illness
1.1.4.1. HLTH_004p1 - The common cold
1.1.5. HLTH_005 - How pathogens get into the body
1.1.6. HLTH_006 - How pathogens are spread
1.1.6.1. HLTH_006p1 - Animal vectors (malaria and dysentary)
1.1.6.2. HLTH_006p2 - Coughing and sneezing
1.1.7. HLTH_007 - How our bodies defend against micro-organisms
1.1.8. HLTH_008 - Preventing the spread of disease
1.2. Fighting Disease
1.2.1. HLTH_009 - The immune system
1.2.1.1. HLTH_009p1 - In depth: white blood cells
1.2.1.2. HLTH_009.1 - The lymphatic system
1.2.2. HLTH_010 - What are vaccines?
1.2.2.1. HLTH_010p1 - Eliminating polio
1.2.3. HLTH_011 - Active and passive immunity
1.2.4. HLTH_012 - Risks of vaccination
1.2.4.1. HLTH_012p1 - MMR vaccine scare
1.2.5. HLTH_013 - Antibiotics
1.2.5.1. HLTH_013p1 - Fleming's discovery of Penicillin
1.2.6. HLTH_014 - Antiseptics
1.2.7. HLTH_015 - Testing antibiotics and antiseptics
1.3. Diet
1.3.1. HLTH_016 - A balanced diet
1.3.2. HLTH_017 - Food types
1.3.3. HLTH_018 - Protein in the diet
1.3.4. HLTH_019 - Storing food
1.3.5. HLTH_020 - Obesity and BMI
1.3.6. HLTH_021 - Nutritional deficiencies and anorexia
1.4. Health
1.4.1. HLTH_022 - Blood pressure
1.4.2. HLTH_023 - Heart Disease
1.4.3. HLTH_024 - Coronary thrombosis
1.4.4. HLTH_025 - Heart irregularities
1.4.5. HLTH_026 - Exercise and fitness
1.4.6. HLTH_027 - High blood pressure
1.4.7. HLTH_028 - Lung problems
1.4.8. HLTH_029 - Kidney disease and dialysis
1.4.9. HLTH_030 - Organ transplants
1.4.10. HLTH_031 - Ethics of organ transplants
1.4.11. HLTH_032 - Blood transfusions
1.4.12. HLTH_033 - Sperm and egg donations
1.4.13. HLTH_034 - Fractures and sprains
1.5. Drugs & Medicines
1.5.1. HLTH_035 - What is a drug?
1.5.2. HLTH_036 - How drugs affect the synapses
1.5.3. HLTH_037 - Types of drug addiction
1.5.4. HLTH_038 - Stimulants
1.5.5. HLTH_039 - Painkillers
1.5.6. HLTH_040 - Solvents
1.5.7. HLTH_041 - Alcohol
1.5.8. HLTH_042 - Effect of alcohol on reaction time
1.5.9. HLTH_043 - About smoking tobacco
1.5.10. HLTH_044 - Dangers of smoking
1.5.11. HLTH_045 - Testing new drug treatments
1.5.12. HLTH_046 - Double blind testing
1.5.13. HLTH_047 - Controversial drugs
1.6. Mental Health
2. Ecology & Environment
2.1. Ecosystems
2.1.1. ENVR_001 - What is an ecosystem
2.1.2. ENVR_002 - Components of ecosystems
2.1.3. ENVR_003 - Environmental sampling
2.1.4. ENVR_004 - Mapping and Zonation
2.1.5. ENVR_005 - Natural vs. artificial ecosystems
2.1.6. ENVR_006 - What is a population?
2.1.7. ENVR_007 - Factors affecting population size
2.1.8. ENVR_008 - Predator and prey cycles
2.1.9. ENVR_011 - Interactions within an ecosystem
2.2. Adapting and Living Together
2.2.1. ENVR_009 - What is adaptation?
2.2.1.1. ENVR_009p1 - Adaptations of Camels
2.2.1.2. ENVR_009p2 - Adaptations of Extremophiles
2.2.2. ENVR_014 - Adaptations of predators and prey
2.2.2.1. ENVR_014p1 - Co-evolution of predator and prey
2.2.3. ENVR_010 - What is a niche?
2.2.3.1. ENVR_010p1 - Fascinating niche example
2.2.4. ENVR_016 - Specialists vs. generalists
2.2.4.1. ENVR_016p1 - Specialist Bee
2.2.4.2. ENVR_016p2 - Generalist example
2.2.5. ENVR_013 - Interspecific and intraspecific interactions
2.2.6. ENVR_015 - Trophic levels
2.2.6.1. ENVR_015p1 - Trophic cascades in old field systems
2.2.7. ENVR_017 - Parasites and hosts
2.2.7.1. ENVR_017p1 - Thinking like a parasite
2.2.8. ENVR_018 - Mutualism
2.2.9. ENVR_019 - Ecological pyramids
2.2.10. ENVR_020 - Biomass pyramids
2.3. Resource flows and cycles
2.3.1. ENVR_021 - Energy transfer through ecosystems
2.3.2. ENVR_022 - Energy flow diagrams
2.3.3. ENVR_023 - Decomposition
2.3.4. ENVR_024 - The Carbon Cycle
2.3.5. ENVR_025 - The Nitrogen Cycle
2.3.6. ENVR_026 - The Water Cycle
2.3.7. ENVR_027 - Modern Agriculture
2.3.8. ENVR_028 - Making food production more efficient
2.4. Agriculture and the environment
2.4.1. ENVR_029 - Environmental impacts of intensive farming
2.4.2. ENVR_030 - Nutrient cycles in agriculture
2.4.3. ENVR_031 - What are fertilisers?
2.4.4. ENVR_032 - Environmental effects of fertilisers
2.4.5. ENVR_033 - Pest control
2.4.6. ENVR_034 - Environmental effects of pesticides
2.4.7. ENVR_035 - Pesticide resistance
2.4.8. ENVR_036 - Biological pest control
2.4.9. ENVR_037 - Overgrazing
2.4.10. ENVR_038 - Fish farming
2.4.11. ENVR_039 - The meaning of "sustainable development"
2.4.12. ENVR_040 - Ecosystem management
2.4.13. ENVR_041 - Methods of food preservation
2.4.14. ENVR_042 - Organic farming
2.5. Environmental Conservation
2.5.1. ENVR_043 - Biodiversity
2.5.2. ENVR_044 - Endangered species conservation
2.5.3. ENVR_045 - Inbredding and genetic variation
2.5.4. ENVR_046 - Deforestation
2.5.5. ENVR_047 - Global population growth
2.5.6. ENVR_048 - Atmospheric pollution
2.5.7. ENVR_049 - Indicators of pollution
2.5.8. ENVR_050 - What is the greenhouse effect?
2.5.9. ENVR_051 - Consequences of the greenhouse effect
2.5.10. ENVR_052 - Carbon footprint
2.5.11. ENVR_053 - Methane and the greenhouse effect
2.5.12. ENVR_054 - Ozone depletion
2.5.13. ENVR_055 - Acid rain
2.5.14. ENVR_056 - Eutrophication
2.5.15. ENVR_057 - Resource scarcity
2.5.16. ENVR_058 - Recycling
2.6. Animal Behaviour
2.6.1. ENVR_059 - Innate behaviour
2.6.2. ENVR_060 - Learned behaviour
2.6.3. ENVR_061 - Conditioning
2.6.4. ENVR_062 - Mating and courtship
2.6.5. ENVR_063 - Parental care
2.6.6. ENVR_064 - Animal communication
2.6.7. ENVR_065 - Great ape behaviour
3. Genetics and Heredity
3.1. Cell Division
3.1.1. GENE_010 - Intro to Cell Division
3.1.2. GENE_011 - Mitosis
3.1.3. GENE_012 - Asexual reproduction
3.1.4. GENE_013 - Sexual reproduction
3.1.5. GENE_014 - What are gametes?
3.1.6. GENE_015 - Haploid vs. Diploid
3.1.7. GENE_016 - Meiosis
3.1.8. GENE_017 - Fertilisation
3.1.9. GENE_018 - Humans have 23 chromosomes
3.1.10. GENE_019 - Cell differentiation
3.2. Variation
3.2.1. GENE_020 - Genetic variation
3.2.2. GENE_021 - Environmental variation
3.2.3. GENE_022 - Variation in plants vs. animals
3.2.4. GENE_023 - Nature vs. nurture
3.3. Chromosomes and DNA
3.3.1. GENE_001 - What is DNA?
3.3.2. GENE_002 - Watson and Crick
3.3.3. GENE_003 - What is a chromosome?
3.3.4. GENE_004 - Structure of a chromosome
3.3.5. GENE_005 - What is a gene?
3.3.6. GENE_006 - How DNA codes for proteins
3.3.7. GENE_007 - What is RNA?
3.3.8. GENE_008 - Protein synthesis
3.3.9. GENE_009 - DNA Replicaiton
3.4. Heredity
3.4.1. GENE_024 - Who was Gregor Mendel?
3.4.2. GENE_024 - Mendel's experiments
3.4.3. GENE_026 - Dominant and recessive alleles
3.4.4. GENE_027 - Homozygous or heterozygous
3.4.5. GENE_028 - Genotype and phenotype
3.4.6. GENE_029 - Genetic diagrams
3.4.7. GENE_030 - Sex determination
3.4.8. GENE_031 - Sex-linked inheritance
3.4.9. GENE_032 - Checkeboard genetic diagrams
3.4.10. GENE_033 - Punnett Squares
3.4.11. GENE_034 - Monohybrid crosses
3.4.12. GENE_035 - Pedigree charts
3.4.13. GENE_036 - Codominance
3.4.14. GENE_037 - What are genetic disorders?
3.4.15. GENE_038 - Genetic disorders: systic fibrosis
3.4.16. GENE_039 - Genetic disorders: sickle cell anaemia
3.4.17. GENE_040 - Genetic disorders: plydactyly
3.4.18. GENE_041 - Genetic disorders: Huntington's
3.5. Genetic Technology
3.5.1. GENE_042 - Genetic screening
3.5.2. GENE_043 - DNA Fingerprinting
3.5.3. GENE_044 - Asexual reproduction and cloning
3.5.4. GENE_045 - Modern cloning techniques
3.5.5. GENE_046 - Genetic Engineering
3.5.6. GENE_047 - Fermentation biotechnology
3.5.7. GENE_048 - Traditional biotechnology
3.5.8. GENE_049 - Recombinent DNA
3.5.9. GENE_050 - Genetically modified bacteria
3.5.10. GENE_051 - Applications of genetic modification
3.5.11. GENE_052 - Genetically modified crops
3.5.12. GENE_053 - Commercial plant cloning
3.5.13. GENE_054 - Genetically modified animals
3.5.14. GENE_055 - Stem cells
3.5.15. GENE_056 - Ethical issues in genetic enginering
3.5.16. GENE_057 - Using enzymes in genetic modification
3.5.17. GENE_058 - The Human Genome Project
3.6. Mutations
3.6.1. GENE_059 - What are mutations?
3.6.2. GENE_060 - Types of mutations
3.6.3. GENE_061 - Chromosome mutations
3.6.4. GENE_062 - Mutation due to radiation and chemicals
3.6.5. GENE_063 - Harmful mutations
3.6.6. GENE_064 - Beneficial mutations
3.6.7. GENE_065 - Down's syndrome
4. Evolution
4.1. Natural selection
4.1.1. EVOL_001 - Charles Darwin's observations
4.1.2. EVOL_002 - Darwin's theory of natural selection
4.1.3. EVOL_003 - Evidence for natural selection
4.1.4. EVOL_004 - Competition and natural selection
4.1.5. EVOL_005 - Different theories of evolution: Lamarck vs. Darwin
4.1.6. EVOL_006 - The formation of new species
4.1.7. EVOL_007 - Mutations and natural selection
4.1.8. EVOL_008 - How bacteria adapt to resist antibiotics
4.2. Artificial Selection
4.2.1. EVOL_009 - Artificial selection
4.2.2. EVOL_010 - Selective breeding
4.2.3. EVOL_011 - Selective breeding in farming
4.2.4. EVOL_012 - Drawbacks of selective breeding
4.3. Evolution
4.3.1. EVOL_013 - The theory of evolution
4.3.2. EVOL_014 - Human evolution
4.3.3. EVOL_015 - How fossils form
4.3.4. EVOL_016 - Fossil evidence for evoltuion
4.3.5. EVOL_017 - Darwin's finches
4.3.6. EVOL_018 - Extinction
4.3.7. EVOL_019 - Classifying organisms
4.3.8. EVOL_020 - Kingdoms
4.3.9. EVOL_021 - Species
4.3.10. EVOL_022 - Classification system: artificial vs. natural
4.3.11. EVOL_023 - Naming systems
5. Biology Careers
5.1. Learning Scientific inquiry
5.1.1. What is Scientific Inquiry in Biology?
5.1.2. What is Scientific Inquiry: Falsification
5.1.3. Scientific Inquiry: Inductive & Deductive Reasoning
5.1.4. Scientific Method 0: Intro & Observation
5.1.5. Scientific Method 1: Question
5.1.6. Scientific Method 2: Hypothesis
5.1.7. Scientific Method 3: Experiment
5.1.8. Scientific Method 4: Results
5.1.9. Scientific Method 5: Conclusions & Presenting Results
5.2. Careers in Biology
5.2.1. Biologist Careers: Documenting Nature
5.2.2. Biologist Careers: Medical Careers 1: Neuroscience
5.2.3. Biologist Careers: Ecologist
5.2.4. Biologist Careers: Science Communicator
5.2.5. Biologist Careers: Geneticist
5.2.6. Biologist Careers: Paleontologist
5.2.7. Biologist Careers: BioChemist
5.2.8. Biologist Careers: Bioengineer
6. Plant Biology
6.1. Plant structure
6.1.1. PLNT_001k - Intro to parts of plants
6.1.2. PLNT_002k - The role of the flower
6.1.3. PLNT_003k - How the stem is supported
6.1.4. PLNT_004k - Structure of the root
6.1.5. PLNT_006k - Phloem and zylem
6.1.6. PLNT_005k - Transpiration
6.1.7. PLNT_007k - Water Movement in Plants
6.1.8. PLNT_008k - Structure of the leaf
6.1.9. PLNT_009k - Role of the stomata
6.1.10. PLNT_010k - How plants reduce water loss
6.2. Packaging the sun's energy
6.2.1. PLNT_011k - What is Photosynthesis?
6.2.2. PLNT_012k - Photosynthesis equation
6.2.3. PLNT_013k - What affects the rate of reaction of photosynthesis?
6.2.4. PLNT_014k - How reactancts and products get into and out of a leaf
6.2.5. PLNT_015k - Respiration in plants
6.2.6. PLNT_016k - How do plants use glucose?
6.3. Plant nutrients and growth
6.3.1. PLNT_022k - Plant growth
6.3.2. PLNT_017k - What nutrients do plants need?
6.3.3. PLNT_018k - Nutrient deficiency in plants
6.3.4. PLNT_019k - Auxins and other plant hormones
6.3.5. PLNT_020k - Tropism
6.3.6. PLNT_021k - How do we use plant hormones?
6.3.7. PLNT_023k - Meristematic cells
7. Animal / Human Physiology
7.1. Life Processes
7.1.1. PHYS_001k - What is homeostasis?
7.1.2. PHYS_002k - Negative feedback
7.1.3. PHYS_003k - Organs involved in homeostasis
7.1.4. PHYS_004k - Temperature regulation
7.1.5. PHYS_005k - How the skin aters body temperature
7.1.6. PHYS_006k - Water balance in the body
7.1.7. PHYS_007k - Seven life processes
7.1.8. PHYS_008k - Human growth curves
7.1.9. PHYS_009k - How different body parts grow
7.1.10. PHYS_010k - How is growth measured?
7.2. Digestive system
7.2.1. PHYS_011k - What is digestion?
7.2.2. PHYS_012k - Parts of the digestive system
7.2.3. PHYS_013k - Muscular and glandular tissue
7.2.4. PHYS_014k - Small intestine and food absorption
7.2.5. PHYS_015k - The role of the stomach
7.2.6. PHYS_016k - Digestive enzymes
7.2.7. PHYS_017k - Bile
7.2.8. PHYS_018k - How food is broken down into molecules
7.2.9. PHYS_019k - How molecules diffuse into the blood
7.3. Respiratory system
7.3.1. PHYS_020k - Introduction to the respiratory system
7.3.2. PHYS_021k - Parts of the human respiratory system
7.3.3. PHYS_022k - Inhaling and exhaling
7.3.4. PHYS_023k - How lung volumes are measured
7.3.5. PHYS_024k - Gas exchange in different animals
7.3.6. PHYS_025k - Gas exchange in the alveoli
7.3.7. PHYS_026k - Respiration converts glucose to energy
7.3.8. PHYS_027k - What is ATP?
7.3.8.1. PHYS_027p1 - ATP Music Video
7.3.9. PHYS_028k - Aerobic respiration
7.3.10. PHYS_029k - The respiration equation
7.3.11. PHYS_030k - Composition of inhaled and exhaled air
7.3.12. PHYS_031k - Anaerobic respiration
7.3.13. PHYS_032k - Anaerobic respiration in muscles
7.3.14. PHYS_033k - Anaerobic respiration by yeast
7.3.15. PHYS_034k - Respiration in animals
7.4. Circulatory system
7.4.1. PHYS_035 - Introduction to the Circulatory System
7.4.2. PHYS_036 - Blood Vessels
7.4.3. PHYS_037 - Double circulation
7.4.4. PHYS_038 - Parts of the human double circulatory system
7.4.5. PHYS_039 - Circulatory systems of different animals
7.4.6. PHYS_040 - The Cardiac Cycle
7.4.7. PHYS_041 - Structure of the Heart
7.4.8. PHYS_042 - How the heart works
7.4.9. PHYS_043 - Heartbeat and pulse
7.4.10. PHYS_044 - Red blood cells
7.4.11. PHYS_045 - White blood cells
7.4.12. PHYS_046 - Plasma
7.4.13. PHYS_047 - Platelets
7.4.14. PHYS_048 - Blood groups
7.4.15. PHYS_049 - Blood clotting
7.5. Nervous system
7.5.1. PHYS_050 - Introduction to the Nervous System
7.5.2. PHYS_051 - Five Sense Organs
7.5.3. PHYS_052 - Coordination
7.5.4. PHYS_053 - The Central Nervous System
7.5.5. PHYS_054 - Nerves
7.5.6. PHYS_055 - Neurones
7.5.7. PHYS_056 - Synapses
7.5.8. PHYS_057 - Reflex arc
7.5.9. PHYS_058 - Block diagram of the reflex arc
7.5.10. PHYS_059 - Parts of the eye
7.5.11. PHYS_060 - How the eye adjusts for light and dark
7.5.12. PHYS_061 - How the eye focuses/ acommodation
7.5.13. PHYS_062 - How the eye judges distance
7.5.14. PHYS_063 - The brain
7.5.15. PHYS_064 - Memory
7.6. Hormones
7.6.1. PHYS_076 - How is diabetes controlled?
7.6.2. PHYS_067 - Testosterone, oestrogen and progesterone
7.6.3. PHYS_068 - Differences between hormones and nerves
7.6.4. PHYS_069 - Stages of menstrual cycle
7.6.5. PHYS_070 - Birth control
7.6.6. PHYS_071 - Fertility treatment
7.6.7. PHYS_072 - Hormones in the menstrual system
7.6.8. PHYS_073 - Insulin
7.6.9. PHYS_074 - Glucagon
7.6.10. PHYS_075 - What is diabetes?
7.6.11. PHYS_065 - What are hormones?
7.7. Excretion
7.7.1. PHYS_077 - The body's different waste materials
7.7.2. PHYS_078 - Introduction to the urinary system
7.7.3. PHYS_079 - How the kidneys remove urea
7.7.4. PHYS_080 - How the kidneys adjust ion content
7.7.5. PHYS_081 - How the kidneys adjust water content
7.7.6. PHYS_082 - The Nephron
7.7.7. PHYS_083 - Anti-Diuretic Hormone
7.7.8. PHYS_084 - Kidneys
7.8. Skeleton & Muscles
7.8.1. Engagement Video - Skeleton & Muscles
7.8.2. PHYS_085 - What is the skeleton?
7.8.2.1. PHYS_085p1 - Interesting examples for skeletons
7.8.2.2. PHYS_085p2 - Organisms without a Skeleton
7.8.3. PHYS_086 - What are bones?
7.8.4. PHYS_087 - Wha are Joints?
7.8.5. PHYS_087 - What are Muscles?
7.8.6. PHYS_088 - What are Tendons?
7.8.7. PHYS_089 - What is Cartilage?
7.8.8. PHYS_090 - How do bodies move?
8. Cells and Molecules
8.1. The building blocks of life
8.1.1. CELL_001k - Intro to Cells
8.1.2. CELL_002k - Levels of Organisation in an Organism
8.1.2.1. CELL_002p1 - Levels of organisation in the nervous system
8.1.3. CELL_003k - Animal Cells
8.1.4. CELL_004k - Plant Cells
8.1.5. CELL_005k - Specialised Cells
8.1.6. CELL_006k - Unicellular vs. Multicellular
8.1.7. CELL_007k - Structure of Bacteria
8.1.8. CELL_008k - Sperm and Egg Cells
8.2. Biological molecules
8.2.1. CELL_008k - Biological Molecules
8.2.1.1. CELL_008p1 - Test for glucose
8.2.1.2. CELL_008p2 - Test for starch
8.2.2. CELL_009k - What are proteins?
8.2.3. CELL_010k - Different functions of proteins
8.2.4. CELL_011k - What are enzymes?
8.2.5. CELL_012k - Collision theory and enzymes
8.2.6. CELL_013k - Lock and Key Mechanism
8.2.7. CELL_014k - Enzymes and Rate of Reaction
8.2.8. CELL_015k - Denaturation of enzymes
8.2.9. CELL_016k - What are hormones?
8.2.10. CELL_017k - Some important hormones
8.3. Transport in cells
8.3.1. CELL_018k - Diffusion
8.3.1.1. CELL_018p1 - Diffusion lab
8.3.2. CELL_019k - Cell membranes
8.3.2.1. CELL_019p1 - Cell membrane demonstration
8.3.3. CELL_020k - Osmosis
8.3.3.1. CELL_020p1 - Osmosis lab
8.3.4. CELL_021k - Active Transport
9. Microorganisms
9.1. Single Celled Organisms
9.1.1. MICR_001k - What are microorganisms?
9.1.2. MICR_002k - The variety of microbes
9.1.3. MICR_003k - Protozoa
9.1.4. MICR_004k - Single celled Fungi
9.1.5. MICR_005k - Bacteria
9.1.6. MICR_006k - Viruses
9.1.7. MICR_007k - Plankton
9.2. Microorganism uses
9.2.1. MICR_008 - Making yoghurt
9.2.2. MICR_009 - Making alcohol
9.2.3. MICR_010 - Mycroprotein
9.2.4. MICR_011 - Making biofuels