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)4 marks

Understanding the composition of blood is essential for studying human biology.

Description

Blood is made up of four main components: red blood cells, white blood cells, platelets, and plasma.

a
Describe the four main components of blood and their functions.
Your answer
Aim for approximately 4 distinct marking points.
[4]

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Paper 3Theory (Core)2 marks

Description

Blood is essential for transporting substances throughout the body.

a
Explain the importance of plasma in blood.
Your answer
Aim for approximately 2 distinct marking points.
[2]