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Pearson Edexcel International GCSE Biology (4BI1)

1 The nature and variety of living organisms

(a) Characteristics of living organisms

(b) Variety of living organisms

2 Structure and functions in living organisms

(a) Level of organisation

(b) Cell structure

(c) Biological molecules

(d) Movement of substances into and out of cells

(f) Respiration

(g) Gas exchange

2.51 Diffusion in unicellular organisms

2.52 Transport systems

2.53 Phloem transport

2.54 Xylem transport

2.55B Water absorption by root hair cells

2.56B Transpiration

2.57B Factors affecting transpiration rate

2.58B Transpiration practical

2.59 Blood composition

2.60 Transport by blood plasma

2.61 Red blood cell adaptations

2.62 Immune response to disease

2.63B Vaccination and memory cells

2.64B Blood clotting

2.65 The heart and how it functions

2.66 Heart rate changes

2.67 Coronary heart disease risk factors

2.68 Arteries, veins and capillaries

2.69 Circulatory system structure

(j) Co-ordination and response

3 Reproduction and inheritance

(a) Reproduction

(b) Inheritance

4 Ecology and the environment

(a) The organism in the environment

(b) Feeding relationships

(c) Cycles within ecosystems

(d) Human influences on the environment

5 Use of biological resources

(a) Food production

(b) Selective breeding

(c) Genetic modification (genetic engineering)

6 Experimental skills

(a) Problem-solving and application

(b) Investigation planning and methods

(c) Observations, measurements and variables

(d) Analysis, communication and evaluation

7 Mathematical skills

1 Arithmetic and numerical computation

2 Handling data

5 Geometry and trigonometry

Question Bank/IGCSE Edexcel Biology/2 Structure and functions in living organisms/(h) Transport/2.59 Blood composition

Edexcel IGCSE Biology 2.59 blood composition

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