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      The circulatory system in humans: plan

      Lesson details

      Learning outcome

      I can draft information about the circulatory system in humans and plan how to present it to others.

      Key learning points

      1. The circulatory system consists of the heart, blood vessels and blood working together in the human body
      2. The circulatory system supplies the body with nutrients and oxygen, and removes waste products that it doesn't need
      3. A flowchart is a diagram, using boxes, lines and arrows, that shows the steps of a process from beginning to end
      4. Writing a draft plan gives you an opportunity to find ways of improving your work

      Keywords

      • Blood vessels - Blood vessels are tubes through which blood flows around the body

      • Circulatory system - The circulatory system is a network of the heart, blood and blood vessels working together to circulate blood around the body

      • Heart - The heart is an organ that pumps blood around the body.

      • Flowchart - A flowchart is a diagram that shows the steps of a process from beginning to end

      • Draft - A draft is a detailed outline that provides the information you need to complete a task

      Common misconception

      Children may think that the lungs are part of the human circulatory system.

      Explain how the circulatory system works to support the respiratory system by bringing blood to and from the lungs. Note: children will learn more about this in key stage 3.

      Teacher tip

      Children will make a draft plan in this lesson, and then will present the information in the following lesson of this unit (lesson 6).

      Equipment

      card, scissors, pens and pencils to make matching game. Blank flowchart template from worksheet or large sheets of paper.

      Content guidance

      Risk assessment required - equipment

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2026), 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.
      Match these important systems in the body to their descriptions.

      Correct Answer:muscular system,helps the body to move

      helps the body to move

      Correct Answer:digestive system,breaks down food

      breaks down food

      Correct Answer:skeletal system,supports the body

      supports the body

      Q2.
      What is absorbed by the small and large intestines and passed into the bloodstream?

      food
      Correct answer: nutrients
      Correct answer: water

      Q3.
      are important substances that living things use to stay alive and healthy.

      air
      blood
      Correct answer: nutrients
      hearts

      Q4.
      Blood flows through blood ...

      Correct Answer: vessels

      Q5.
      Match these parts to their key functions.

      Correct Answer:blood vessels,Small tubes which transport blood around the body.

      Small tubes which transport blood around the body.

      Correct Answer:arteries,Blood vessels that transport blood away from the heart.

      Blood vessels that transport blood away from the heart.

      Correct Answer:veins,Blood vessels that transport blood back to the heart.

      Blood vessels that transport blood back to the heart.

      Correct Answer:heart,Pumps blood around the body.

      Pumps blood around the body.

      Q6.
      True or false? Blood is made of different parts.

      Correct answer: true
      false

      6 Questions

      Q1.
      The system responsible for pumping blood around the body is the called the system.

      Correct Answer: circulatory, Circulatory, circulatory system

      Q2.
      The circulatory system consists of the heart, blood and all working together in the human body.

      brain
      Correct answer: blood vessels
      lungs
      stomach

      Q3.
      In the human body, a system is...

      a selection of different muscles working together.
      everything that helps our body move and breathe.
      Correct answer: an organisation of different organs to perform complex functions.
      an organisation of brain cells to help us move and function.

      Q4.
      Which of the following is an example of a flowchart?

      An image in a quiz
      An image in a quiz
      Correct Answer: An image in a quiz
      An image in a quiz
      An image in a quiz

      Q5.
      True or false? You are allowed to change your draft plan if you change your mind.

      Correct answer: true
      false

      Q6.
      Which statements are true about the human circulatory system?

      Correct answer: It supplies the body with nutrients and oxygen.
      It supplies the body with nutrients and carbon dioxide.
      Correct answer: It removes waste products that it doesn't need.
      It removes oxygen that it doesn't need.

      To help you plan your 6 science lesson on: The circulatory system in humans: plan, download all teaching resources for free and adapt to suit your pupils' needs...