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IGCSE Biology Video Lessons [ New videos] / 11-Gas Exchange
11-gas exchange
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IGCSE Video Lessons Gas Exchange

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IGCSE Biology Revision Notes Free Preview
Paper 2 Topic Questions IGCSE Biology Free Preview
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IGCSE Biology Solved Past Exam Papers Free Preview
IGCSE Biology Video Lessons Free Preview
1-Characteristics and classification of living organisms-2023-2025-exams
Topic-2-Organisation-of-the-organism
Topic-3-Movement-into-and-out-of-cells
Topic-4-Biological-molecules
Topic-5-Enzymes
Topic 6 Plant Nutrition
Topic 7 Human nutrition
Topic 8 - Transport in plants
Topic-9 Transport in animals
Topic 10- Diseases and immunity
Topic 11- Gas exchange in humans
Topic 12- Respiration
Topic 13- Excretion in humans
Topic 14- Coordination and response
Topic 15- Drugs
Topic 16 - Reproduction
Topic 17-Inheritance
Topic 18- Variation and selection
Topic 19- Organisms and their environment
Topic 20- Human influences on ecosystems
Topic 21- Biotechnology and genetic modification
1-CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS
2-ORGANISATION OF THE ORGANISM
3-MOVEMENT IN AND OUT OF CELLS
4-BIOLOGICAL MOLECULES
5-ENZYMES
6-PLANT NUTRITION
7-ANIMAL NUTRITION
8-TRANSPORT IN PLANTS
9-TRANSPORT IN ANIMALS
10-DISEASE AND IMMUNITY
11-GAS EXCHANGE IN HUMANS
12-RESPIRATION
13-EXCRETION IN HUMANS
14-COORDINATION AND RESPONSE
15-DRUGS
16-REPRODUCTION
17-INHERITANCE
18-VARIATION AND SELECTION
19-ORGANISMS AND THEIR ENVIRONMENT
20-BIOTECHNOLOGY AND GENETIC ENGINEERING
21-HUMAN INFLUENCES ON ECOSYSTEMS
1-CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS
2-ORGANISATION OF THE ORGANISM
3-MOVEMENT IN AND OUT OF CELLS
4-BIOLOGICAL MOLECULES
5-ENZYMES
6-PLANT NUTRITION
7-ANIMAL NUTRITION
8-TRANSPORT IN PLANTS
9-TRANSPORT IN ANIMALS
10-DISEASE AND IMMUNITY
11-GAS EXCHANGE IN HUMANS
12-RESPIRATION
13-EXCRETION IN HUMANS
14-COORDINATION AND RESPONSE
15-DRUGS
16-REPRODUCTION
17-INHERITANCE
18-VARIATION AND SELECTION
19-ORGANISMS AND THEIR ENVIRONMENT
20-BIOTECHNOLOGY AND GENETIC ENGINEERING
21-HUMAN INFLUENCES ON ECOSYSTEMS
1-CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS
2-ORGANISATION OF THE ORGANISM
3-MOVEMENT IN AND OUT OF CELLS
4-BIOLOGICAL MOLECULES
5-ENZYMES
6-PLANT NUTRITION
7-ANIMAL NUTRITION
8-TRANSPORT IN PLANTS
9-TRANSPORT IN ANIMALS
10-DISEASE AND IMMUNITY
11-GAS EXCHANGE IN HUMANS
12-RESPIRATION
13-EXCRETION IN HUMANS
14-COORDINATION AND RESPONSE
15-DRUGS
16-REPRODUCTION
17-INHERITANCE
18-VARIATION AND SELECTION
19-ORGANISMS AND THEIR ENVIRONMENT
20-BIOTECHNOLOGY AND GENETIC ENGINEERING
21-HUMAN INFLUENCES ON ECOSYSTEMS
PLANNING INVESTIGATIONS
1-CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS
2-ORGANISATION OF THE ORGANISM
3-MOVEMENT IN AND OUT OF CELLS
4-BIOLOGICAL MOLECULES
5-ENZYMES
6-PLANT NUTRITION
7-ANIMAL NUTRITION
8-TRANSPORT IN PLANTS
9-TRANSPORT IN ANIMALS
12-RESPIRATION
14-COORDINATION AND RESPONSE
16-REPRODUCTION
18-VARIATION AND SELECTION
19-HUMAN INFLUENCES ON ECOSYSTEMS
20-BIOTECHNOLOGY AND GENETIC ENGINEERING
1-CHARACTERISTICS OF LIVING ORGANISMS
2-ORGANISATION OF THE ORGANISM
3-MOVEMENT IN AND OUT OF CELLS
4-BIOLOGICAL MOLECULES
5-ENZYMES
6-PLANT NUTRITION
7-ANIMAL NUTRITION
8-TRANSPORT IN PLANTS
9-TRANSPORT IN ANIMALS
10-DISEASE AND IMMUNITY
11-GAS EXCHANGE IN HUMANS
12-RESPIRATION
13-EXCRETION IN HUMANS
14-COORDINATION AND RESPONSE
15-DISEASE AND IMMUNITY
16-REPRODUCTION
17-INHERITANCE
18-VARIATION AND SELECTION
19-ORGANISMS AND THEIR ENVIRONMENT
20-BIOTECHNOLOGY AND GENETIC ENGINEERING
21-HUMAN INFLUENCES ON ECOSYSTEMS
PAPER-2-YEARWISE SOLVED PAST PAPERS
PAPER-4-YEARWISE SOLVED PAST PAPERS
PAPER-6-YEARWISE SOLVED PAST PAPERS
SET-1-Based on May-2020-Variant-21-Extended
SET-1-Based on May-2020-Variant-11-Core for extra Practise
SET-2-Based on May-2020-Variant-12-Core for extra Practice
SPECIMEN PAPERS-2020 AND ABOVE
IGCSE LEARNER GUIDE
SYLLABUS AND SYLLABUS UPDATES