Year 9 - Science
Anaerobic cellular respiration in humans
Breathing and respiration
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit explores the human gas exchange system, breathing mechanisms, and adaptations for function. It covers aerobic and anaerobic respiration, including fermentation, and compares their processes and implications. Focus is on accuracy, reliable measurements, and SI units.
Lesson Summary
You will learn to describe differences between aerobic and anaerobic cellular respiration in humans.
Key Notes
- Anaerobic cellular respiration takes place without using oxygen.
- In humans, anaerobic cellular respiration produces lactic acid, which can cause muscle cramps.
- Word summaries of the reactants and products of aerobic and anaerobic cellular respiration in humans.
- Anaerobic cellular respiration takes place only in the cytoplasm of cells and does not involve the mitochondria.
- Anaerobic cellular respiration provides less energy than aerobic cellular respiration, but provides energy more quickly.
Vocabulary To Learn
- anaerobic cellular respiration: Anaerobic cellular respiration is a type of cellular respiration that does not use oxygen and takes place in the cytoplasm of cells.
- lactic acid: Lactic acid is a product of anaerobic cellular respiration in humans which causes muscle cramps.
- cytoplasm: The cytoplasm is the jelly-like substance inside a cell where chemical reactions of the cell take place.
- aerobic cellular respiration: Aerobic cellular respiration is a type of respiration that requires oxygen and takes place in the mitochondria and cytoplasm of cells.
Common Mistakes To Avoid
- Learners often assume there is only one type of cellular respiration (aerobic).
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Anaerobic cellular respiration takes place without using oxygen. In humans, anaerobic cellular respiration produces lactic acid, which can cause muscle cramps.
2. Define this scientific word and use it in context. 'anaerobic cellular respiration'
Anaerobic cellular respiration is a type of cellular respiration that does not use oxygen and takes place in the cytoplasm of cells. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Learners often assume there is only one type of cellular respiration (aerobic). Correction: This lesson explores aerobic and anaerobic cellular respiration in humans.
More Lessons In This Unit
- Adaptations of the human lungs for gas exchange Study Guide
- Aerobic cellular respiration Study Guide
- Anaerobic cellular respiration and fermentation in microorganisms Study Guide
- Breathing, respiration and gas exchange Study Guide
- Cellular respiration Study Guide
- Estimating lung volume Study Guide
- The human gas exchange system and breathing Study Guide
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