A-Level Edexcel Biology A2 Topic 7 - Respiration, Muscles and the Internal Environment Topic Practice
Topic 7 - Respiration, Muscles and the Internal Environment
Edexcel A-Level Biology A2 Topic 7 - Respiration, Muscles and the Internal Environment question practice helps you revise this syllabus point with the course map in view. Use this page to focus on one topic, check the style of questions available, and connect each attempt back to the knowledge area it is testing.
EduNinja keeps Biology practice aligned to Edexcel at A2 level, so you can move from topic review into exam-style question bank work without losing the syllabus structure. Start with a small set, mark the weak steps, then return to nearby topic links when a definition, graph, calculation, or explanation needs repair.
- 7.1—Aerobic respiration overview
- 7.2—Glycolysis in aerobic and anaerobic respiration
- 7.3—Link reaction and Krebs cycle
- 7.4—Oxidative phosphorylation
- 7.5—Lactate after anaerobic respiration
- 7.6—Respiratory quotient
- 7.7—Core Practical 15 - respiration in yeast
- 7.8—Core Practical 16 - respirometer, respiration rate and RQ
- 7.9—Movement by muscles, tendons, skeleton and ligaments
- 7.10—Skeletal muscle fibre and twitch types
- 7.11—Sliding filament theory
- 7.12—Cardiac muscle electrical activity and ECGs
- 7.13—Cardiac output, ventilation and control centres
- 7.14—Adrenaline and fight-or-flight
- 7.15—Core Practical 17 - exercise and spirometer traces
- 7.16—Negative and positive feedback
- 7.17—Homeostasis and thermoregulation
- 7.18—Mammalian kidney structure
- 7.19—Urea production and ultrafiltration
- 7.20—Selective reabsorption and loop of Henle
- 7.21—ADH and osmoregulation
- 7.22—Transcription factors and hormone action
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