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Pearson Edexcel International GCSE Biology (4BI1)
1 The nature and 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
(e) Nutrition
(f) Respiration
(g) Gas exchange
(h) Transport
(i) Excretion
2.70 Metabolic waste gases
2.71 Excretory products of lungs, kidneys and skin
2.72B Kidney excretion and osmoregulation
2.73B Urinary system structure
2.74B Nephron structure
2.75B Ultrafiltration
2.76B Water reabsorption from the collecting duct
2.77B Selective reabsorption of glucose
2.78B ADH and blood water content
2.79B Urine composition
(j) Co-ordination and response
3 Reproduction and inheritance
4 Ecology and the environment
5 Use of biological resources
6 Experimental skills
7 Mathematical skills
IGCSE/Edexcel/Biology//Question Bank/2 Structure and functions in living organisms/(i) Excretion/Edexcel IGCSE Biology 2.70 Metabolic Waste Gases Questions

Edexcel IGCSE Biology 2.70 Metabolic Waste Gases Questions

Practise tracing metabolic waste gases in plants, linking carbon dioxide and oxygen production to their loss through leaf stomata.

Syllabus
First assessment 2019
Course
Biology 4BI1

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