Cellular respiration
I can describe what cellular respiration is and explain why it happens in all living organisms all the time.
Cellular respiration
I can describe what cellular respiration is and explain why it happens in all living organisms all the time.
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Lesson details
Key learning points
- Cellular respiration is a chemical process that uses glucose, from food, as a fuel to provide energy for life processes.
- Examples of life processes that require energy from cellular respiration.
- Cellular respiration happens in all living organisms all the time to provide the energy to keep them alive.
- Differences between breathing and respiration.
Keywords
Cell - A cell is the smallest living building block of an organism.
Cellular respiration - Cellular respiration is a chemical process that uses glucose, from food, as a fuel to provide energy for life processes.
Glucose - Glucose is a sugar that our cells use as fuel for cellular respiration.
Breathing - Breathing is the process in which air is moved in and out of the lungs.
Mitochondria - Mitochondria are cell organelles in which cellular respiration takes place in animals and plants.
Common misconception
Thinking that only animals respire, and that plants only photosynthesise (and do not respire).
This lesson uses examples of plants respiring in order to address this misconception.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Starting with the smallest put these in size order.
Q2.Which gas do humans need from the air that we breathe in?
Q3.Where in the human body does gas exchange take place?
Q4.Order the path of air entering the lungs.
Q5.Match the word to its description.
This causes air to move into the lungs.
This causes air to move out of the lungs.
Q6.True or false? Humans obtain glucose for respiration by eating carbohydrates.
Assessment exit quiz
6 Questions
Q1.Common life processes require energy from respiration. Which processes take place in all living organisms?
Q2.What of these are reactants of cellular respiration?
Q3.Complete the sentence by matching the location to its description.
is where respiration takes place in plants and animals.
is where respiration takes place in bacteria.
Q4.When does cellular respiration take place?
Q5.True or false? Plants can breathe.
Q6.Who is right?
