Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.2.4 - Coronary heart disease. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.2.1: The human digestive system. Practical 5 - Measuring the effect of pH on the rate of activity of amylase enzyme. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.2.2 - The heart and blood vessels. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.2.2.2 - The heart and blood vessels. Complete set of Chapter 2 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.1.8 - Antibiotics and painkillers. Specification Point 4.3.1.9 - Discovery and development of drugs. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.1.6 - Human defence systems. Specification Point 4.3.1.7 - Vaccination. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.2.2 - How materials are cycled. Specification Point 4.7.2.4 - Impact of environmental change. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.1.1 - Communities. Specification Point 4.7.1.2 - Abiotic factors. Specification Point 4.7.1.3 - Biotic factors. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.1.4 - Adaptations. Specification Point 4.7.2.1 - Levels of organisation. Practical 9 - Measuring the population size of a common species in a habitat. Using sampling techniques to investigate the effect of a factor on the distribution of this species. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.3.4 - Deforestation. Specification Point 4.7.3.5 - Global Warming. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.5.1 - Food security. Specification Point 4.7.5.2 - Farming techniques. Specification Point 4.7.5.3 - Sustainable fisheries. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6.1.6 - Genetic inheritance. Specification Point 4.6.1.7 - Inherited disorders. Specification Point 4.6.1.8 - Sex determination. Specification Point 4.6.3.3 - The understanding of genetics. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6.2.4 - Genetic engineering. Specification Point 4.6.2.5 - Cloning. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.1 -Describe the level of organisation in organisms: organelles, cells, tissues, organs and organ systems. Specification Point 2.2/2.3 - Describe the structures and functions of the cell’s organelles, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplast, ribosome and vacuole. Complete set of Chapter 1 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.65 - Describe the structure of the heart and how it functions. Specification Point 2.66 - Explain how the heart rate changes during exercise and under the influence of adrenaline. Specification Point 2.67 -Understand how factors may increase the risk of developing coronary heart disease. Complete set of Chapter 3 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.72B - Understand how the kidney carries out its roles of excretion and osmoregulation. Specification Point 2.73B - Describe the structure of the urinary system, including the kidneys, ureters, bladder and urethra. Specification Point 2.74B - Describe the structure of a nephron, including the Bowman’s capsule and glomerulus, convoluted tubules, loop of Henle and collecting duct. Complete set of Chapter 4 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.12 -Understand the biological consequences of pollution of air by sulfur dioxide and carbon monoxide. Specification Point 4.13 - Understand that water vapour, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases. Specification Point 4.14 - Understand how human activities contribute to greenhouse gases. Specification Point 4.15- Understand how an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and its consequences. Specification Point 4.16 - Understand the biological consequences of pollution of water by sewage. Specification Point 4.17 - Understand the biological consequences of eutrophication caused by leached minerals from fertilizer. Complete set of Chapter 6 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.5.3.4 - Hormones in human reproduction. Specification Point 4.5.3.5 - Contraception. Specification Point 4.5.3.6 - The use of hormones to treat infertility. Specification Point 4.5.3.7 - Negative feedback. Complete set of Chapter 5 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.4.1.2 - Rate of photosynthesis. Complete set of Chapter 4 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.1.1 - Communicable diseases. Specification Point 4.3.1.2 - Viral diseases. Specification Point 4.3.1.3 - Bacterial diseases. Specification Point 4.3.1.4 - Fungal diseases. Specification Point 4.3.1.5 - Protist diseases. Complete set of Chapter 3 Lectures are available.