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Biology
Chapter 01: Characteristics and classification of living organisms
1.1 Characteristics of living organisms (6:14)
1.2 Concepts and use of a Classification System (6:19)
1.3 Features of Organisms - Cells and Viruses
1.3 Features of Organisms - Animals-Invertebrates (4:43)
1.3 Features of Organisms - Animals-vertebrates (5:53)
1.3 Features of Organisms - Prokaryote and Protoctist (5:16)
1.3 Features of Organisms - Plants and Fungi (6:02)
1.4 Dichotomous Keys (6:45)
Chapter 02: Organisation of the organism
2.1 Cell Structure and Organisation (6:44)
2.2 Levels of Organisation Part 1 (5:38)
2.2 Levels of Organisation Part 2 (5:08)
Chapter 03: Movement in and out of cells
3.1 Diffusion (5:44)
3.2 Osmosis - Animal Cells (5:32)
3.2 Osmosis - Plant Cells (7:48)
3.3 Active Transport (6:40)
Chapter 04: Biological molecules
4.1 Water and DNA (6:30)
4.1 Food Test (5:36)
4.1 Carbohydrates, Fats and Proteins (7:33)
Chapter 05: Enzymes
5.1 Enzymes Part 1 (4:51)
5.1 Enzymes Part 2 (5:39)
Chapter 06: Plant nutrition
6.1 Photosynthesis Part 1 (7:53)
6.1 Photosynthesis Part 2 (7:03)
6.1 Photosynthesis Part 3 (6:18)
6.2 Leaf Structure Part 1 (5:57)
6.2 Leaf Structure Part 2 (6:18)
6.3 Mineral Requirements (7:09)
Chapter 07: Human nutrition
7.1 Diet (7:25)
7.2 Alimentary Canal (6:01)
7.3 Mechanical Digestion (5:01)
7.4 Chemical Digestion Part 1 (5:24)
7.4 Chemical Digestion Part 2 (7:17)
7.5 Absorption Part 1 (7:01)
7.5 Absorption Part 2 (6:16)
Chapter 08: Transport in plants
8.1 Transport in Plants (5:59)
8.2 Water Uptake (5:49)
8.3 Transpiration (7:01)
8.4 Translocation (6:48)
Chapter 09: Transport in Animals
9.1 Transport in Animals (5:49)
9.2 Heart Part 1 (5:22)
9.2 Heart Part 2 (5:54)
9.2 Heart Part 3 (6:11)
9.3 Blood and Lymphatic Vessels Part 1 (7:46)
9.3 Blood and Lymphatic Vessels Part 2 (7:21)
9.4 Blood Part 1 (5:58)
9.4 Blood Part 2 (6:02)
9.4 Blood Part 3 (5:24)
Chapter 10: Diseases and Immunity
10.1 Disease and Immunity Part 1 (5:58)
10.1 Disease and Immunity Part 2 (5:48)
10.1 Disease and Immunity Part 3 (6:39)
10.1 Disease and Immunity Part 4 (6:32)
Chapter 11: Gas exchange in humans
11.1 Gas Exchange in Humans Part 1 (5:58)
11.1 Gas Exchange in Humans Part 2 (5:48)
Chapter 12: Respiration
12.1 Respiration (5:00)
12.2 Aerobic Respiration (5:56)
12.3 Anaerobic Respiration (5:40)
Chapter 13: Excretion in Humans
13.1 Excretion in Humans Part 1 (5:49)
13.1 Excretion in Humans Part 2 (6:23)
13.1 Excretion in Humans Part 3 (6:09)
Chapter 14: Coordination and Response
14.1 Nervous Control in Humans Part 1 (7:25)
14.1 Nervous Control in Humans Part 2 (6:15)
14.1 Nervous Control in Humans Part 3 (5:29)
14.2 Sense Organs Part 1 (6:33)
14.2 Sense Organs Part 2 (5:13)
14.3 Hormones in Humans Part 1 (5:24)
14.3 Hormones in Humans Part 2 (5:31)
14.4 Homeostasis Part 1 (5:19)
14.4 Homeostasis Part 2 (5:21)
14.5 Tropic Responses (5:29)
Chapter 15: Drugs
15.1 Drugs (5:28)
15.2 Medicinal Drugs (5:48)
15.3 Misused Drugs (5:14)
Chapter 16: Reproduction
16.1 Asexual Reproduction (7:21)
16.2 Sexual Reproduction (6:00)
16.3 Sexual Reproduction in Plants Part 1 (5:43)
16.3 Sexual Reproduction in Plants Part 2 (5:04)
16.3 Sexual Reproduction in Plants Part 3 (6:15)
16.4 Sexual Reproduction in Humans Part 1 (6:31)
16.4 Sexual Reproduction in Humans Part 2 (5:35)
16.4 Sexual Reproduction in Humans Part 3 (5:10)
16.5 Sex Hormones in Humans (6:33)
16.6 Methods of Birth Control in Humans Part 1 (5:22)
16.6 Methods of Birth Control in Humans Part 2 (6:14)
16.7 Sexually Transmitted Infections (STIs) (5:03)
Chapter 17: Inheritance
17.1 Inheritance (5:14)
17.2 Chromosomes, Genes and Proteins Part 1 (5:24)
17.2 Chromosomes, Genes and Proteins Part 2 (5:07)
17.3 Mitosis (5:22)
17.4 Meiosis (6:23)
17.5 Monohybrid Inheritance Part 1 (6:31)
17.5 Monohybrid Inheritance Part 2 (6:52)
17.5 Monohybrid Inheritance Part 3 (6:52)
Chapter 18: Variation and Selection
18.1 Variation Part 1 (5:22)
18.1 Variation Part 2 (5:36)
18.2 Adaptive Features (5:07)
18.3 Selection (5:30)
Chapter 19: Organisms and their Environment
19.1 Energy Flow (5:36)
19.2 Food Chains and Food Webs Part 1 (5:45)
19.2 Food Chains and Food Webs Part 2 (5:38)
19.2 Food Chains and Food Webs Part 3 (6:36)
19.2 Food Chains and Food Webs Part 4 (6:39)
19.3 Nutrient Cycles Part 1 (6:01)
19.3 Nutrient Cycles Part 2 (6:29)
19.4 Population Size (5:51)
Chapter 20: Biotechnology and Genetic Engineering
20.1 Biotechnology and Genetic Engineering (5:42)
20.2 Biotechnology Part 1 (5:25)
20.2 Biotechnology Part 2 (5:54)
20.3 Genetic Engineering (5:51)
Chapter 21: Human Influences on Ecosystems
21.1 Food Supply (5:49)
21.2 Habitat Destruction (5:31)
21.3 Pollution Part 1 (5:23)
21.3 Pollution Part 2 (5:26)
21.4 Conservation Part 1 (6:47)
21.4 Conservation Part 2 (5:51)
9.1 Transport in Animals
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