Cambridge IGCSE Combined Science practice

Paper 3 structured question: Blood

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Paper

Marks

Topic

Blood

Exam-style question

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Paper 3Theory (Core)3 marks

Functions of blood components

Description

Blood consists of various components, including red blood cells, white blood cells, platelets, and plasma, each serving distinct roles.

a
Explain the role of white blood cells in the immune system.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)2 marks

Description

Blood is made up of red blood cells, white blood cells, platelets, and plasma. Each component has a specific function in the body.

a
Describe the function of red blood cells and the role of haemoglobin.
Your answer
Aim for approximately 2 distinct marking points.
[2]