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      Aerobic cellular respiration

      Lesson details

      Learning outcome

      I can describe the reactants and products of aerobic cellular respiration, and where it takes place.

      Key learning points

      1. Aerobic cellular respiration requires oxygen.
      2. The reactants and products of aerobic cellular respiration can be summarised using a word equation.
      3. Aerobic cellular respiration takes place in the mitochondria and cytoplasm of animal, plant and fungi cells.
      4. Cells that require more energy, because they do a lot of work, have more mitochondria.

      Keywords

      • Aerobic cellular respiration - Aerobic cellular respiration is a chemical process that uses oxygen from the air and glucose to provide energy for life processes.

      • Oxygen - Oxygen is an element found in the air that is a gas at room temperature and a reactant in aerobic cellular respiration.

      • Carbon dioxide - Carbon dioxide is a compound made of carbon and oxygen that is a gas at room temperature and a product of aerobic cellular respiration.

      • Mitochondria - Mitochondria are subcellular structures that use glucose and oxygen to carry out aerobic cellular respiration.

      • Cytoplasm - Cytoplasm is the jelly-like substance inside a cell where its chemical reactions take place.

      Common misconception

      Aerobic cellular respiration is a single chemical reaction.

      This lesson uses the terms 'chemical process' and 'series of chemical reactions'.

      Teacher tip

      Say 'aerobic cellular respiration provides energy for life processes' rather than 'releases energy', as 'releases' can lead to pupils having incorrect ideas about energy.

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Living organisms undergo cellular respiration to provide for life processes.

      Correct Answer: energy

      Q2.
      True or false? Respiration takes place all of the time.

      Correct answer: True
      False

      Q3.
      Who’s right?

      Correct answer: Sam: Respiration involves chemical reactions that take place inside cells.
      Laura: Respiration only takes place in muscle cells.
      Izzy: Respiration is the same as breathing.

      Q4.
      True or false? Glucose can be described as a fuel.

      Correct answer: True
      False

      Q5.
      True or false? Breathing and cellular respiration are the same thing.

      True
      Correct answer: False

      Q6.
      Match the process to its description.

      Correct Answer:Breathing, A mechanical process not involving chemical reactions.

      A mechanical process not involving chemical reactions.

      Correct Answer:Respiration,Chemical reactions that take place to provide energy.

      Chemical reactions that take place to provide energy.

      6 Questions

      Q1.
      Complete the word summary for cellular respiration; glucose + → carbon dioxide and water.

      Correct Answer: oxygen, Oxygen

      Q2.
      Where does respiration take place in fungi, plants and animals?

      An image in a quiz
      Nucleus
      Cell membrane
      Correct answer: Mitochondria
      Cell Wall

      Q3.
      Match the substances to the description of their role in cellular respiration.

      Correct Answer:Product ,Carbon dioxide

      Carbon dioxide

      Correct Answer:Reactant,Oxygen

      Oxygen

      Q4.
      Where do plants obtain glucose from?

      An image in a quiz
      Correct Answer: Photosynthesis

      Q5.
      What type of food can easily be broken down into glucose?

      Lipids
      Protein
      Correct answer: Carbohydrates

      Q6.
      True or false? A skin cell will have more mitochondria than a muscle cell.

      True
      Correct answer: False

      To help you plan your 9 science lesson on: Aerobic cellular respiration, download all teaching resources for free and adapt to suit your pupils' needs...