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Animation
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Chapter 4
Active transport
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Chapter 7
Food and digestion
Absorption in the small intestine
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Chapter 8
How does gas exchange occur in humans?
The mechanism of ventilation
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Chapter 11
Transpiration
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Chapter 12
Mitosis
Meiosis
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Chapter 14
How baby is born
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Chapter 16
Eye accommodation
How the ear works
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Chapter 17
Withdrawal reflex
Knee jerk reflex
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Chapter 21
Photochemical reactions
The Calvin cycle
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Chapter 22
Glycolysis
The link reaction and the Kreb cycle
Oxidative phosphorylation
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Chapter 23
How scientists transformed the way we think about diseases
The development of antibiotic resistance
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Chapter 24
Treatment and prevention of heart diseases
How to eradicate a disease
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Chapter 25
Development of smallpox vaccine
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Chapter 37
The importance of biodiversity
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Chapter 39
The roles of microorganisms in food production
Sewage treatment process
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Chapter 40
How preservatives work