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Year 6

Function of blood

I can describe what blood is and what it does.

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New
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Year 6

Function of blood

I can describe what blood is and what it does.

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Share activities with pupils
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Lesson details

Key learning points

  1. Blood is needed by humans to keep them alive.
  2. Blood transports oxygen and nutrients to all the parts of the body so they can keep working.
  3. Blood transports carbon dioxide and other waste materials to be removed from the body.
  4. Blood is made of different parts. Each part has a special function within blood.
  5. Models can be used to describe what blood is and its functions.

Keywords

  • Blood - Blood is pumped around the body by the heart.

  • Function - The task that something does is its function.

  • nutrients - Nutrients are important substances that living things use to stay alive and healthy.

  • Oxygen - Oxygen is a gas in the air that is vital for living things.

  • Carbon dioxide - Carbon dioxide is the gas in the air.

Common misconception

Pupils may think that blood is made in the heart and the function of blood is to clean the heart.

This lesson provides plenty of opportunities for pupils to learn about the different functions of blood.

Use the images on the slide deck to ask pupils what they think the different components of blood look like. They should use these ideas to help decide what objects and materials they might use to make their own model of blood to help them to describe its functions.
Teacher tip

Equipment

See additional materials for further guidance.

Content guidance

  • Exploration of objects

Supervision

Adult supervision recommended

Licence

This content is © Oak National Academy Limited (2024), 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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Starter quiz

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6 Questions

Q1.
What colour is blood?
Correct Answer: red, Red
Q2.
The heart's function is to ...
An image in a quiz
make us feel emotions.
help to break down food.
pump air.
Correct answer: pump blood around the body.
Q3.
Which statements about the heart are incorrect?
Correct answer: The heart is located on the right side of the chest.
The heart pumps blood to all parts of the body.
The heart is similar in shape to an upside down pear.
The heart is the size of a clenched fist.
Correct answer: The walls of the heart are made from bone.
Q4.
Your heart is made of chambers with that open and close to control the flow of blood.
An image in a quiz
holes
Correct answer: valves
tubes
muscles
Q5.
Your heart will beat approximately times a day.
Correct Answer: 115,000, 115000, 115 000
Q6.
The walls of the heart are made from ...
Correct Answer: muscle, Muscle

Exit quiz

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6 Questions

Q1.
True or false? The lungs pump blood around the body.
true
Correct answer: false
Q2.
Which statement about blood is correct?
An image in a quiz
Blood is made of just liquid.
Blood is made of different parts - one solid and one liquid.
Blood is made of different parts. Each part has the same function.
Correct answer: Blood is made of different parts. Each part has a different function.
Q3.
What does blood transport to all parts of the body?
Correct answer: oxygen
stomach acid
saliva
Correct answer: nutrients
hoops
Q4.
Blood transports gas to be removed from the body.
oxygen
Correct answer: carbon dioxide
helium
Q5.
Which options below are parts of blood?
Correct answer: plasma
blue blood cells
Correct answer: white blood cells
plates
Correct answer: red blood cells
Q6.
Match the function of blood to the part that is responsible for it.
Correct Answer:transporting oxygen,red blood cells

red blood cells

Correct Answer:forms a scab when you get a cut,platelets

platelets

Correct Answer:fights infection ,white blood cells

white blood cells

Additional material

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