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Human Biology 4HB1/02 June 2023

Human Biology 4HB1/02 June 2023

1. Human reproductive system: identification of structures (testis, oviduct, vagina, uterus, urethra, prostate), roles in fertilization, implantation, sperm transport, semen production

2. Nutrition analysis: yoghurt composition (fat, protein, calcium, vitamin D), Biuret test for protein, calcium′s role in bone development, nutritional percentage-based calculation

3. Diabetes overview: difference between condition and disease, prevalence, symptoms (polyuria, fatigue), complications (eye, hearing), glucose in blood, diagnosis importance

4. Aerobic respiration: word equation, location in mitochondria, ATP as energy molecule, metabolic rate fluctuations due to temperature, energy balance, reliability improvements in metabolic experiments

5. Circulatory and pulse experiments: blood vessel pathway from liver to kidney, exercise impact on heart rate, pulse measurement setup and analysis, trends in graph evaluation

6. Sickle cell anaemia: mutation effects on haemoglobin, genotype inheritance patterns, symptoms (fatigue), reduced oxygen transport due to sickled RBC shape

7. Tooth structure and decay: parts (enamel, dentine, pulp), decay-prone regions, bacterial acid production, timing of tooth eruption in infants, fluoride and alcohol in mouthwash for decay prevention
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Classification: Paper 2
Page count: 24
Viewed: 34
Last update: 3 months ago
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