Free – Components of Blood Quiz

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  1. What does the iron containing protein called haemoglobin do?1
  2. What do platelets do?1
  3. Identify the 4 components of blood1
  4. Explain the function of red blood cells (2 marks)2

    This is a practice exam question. The question says EXPLAIN and is worth 2 marks. This means you need to make 1 mark and then expand on that point for 1 further mark

    The function of red blood cells is to carry oxygen (1) as the oxygen binds to the within the red blood cells (1)

  5. What do white blood cells do?1
  6. How does dehydration relate to the components of blood?1

    If you are dehydrated you have a reduction of water in your body. Therefore, you will have a reduction on blood . This means you are less able to transport nutrients, remove waste products and transport the other 3 components of blood.

  7. What is plasma mostly made up of?1
  8. Describe the function of plasma (2 marks)2

    This is a practice exam question. The question says DESCRIBE but is worth 2 marks. This means you need to make 2 points but each one is only brief.

    Plasma is mostly made up of water. The function of plasma is for transportation of all blood cells, nutrients and throughout the body

  9. Describe the function of platelets (2 marks)2

    This is a practice exam question. The question says DESCRIBE but is worth 2 marks. This means you need to make 2 points but each one is only brief.

    The function of platelets is to stop bleeding by forming a by plugging the damaged blood vessels

  10. What do red blood cells do?1
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