Cambridge IGCSE Biology practice

Paper 3 structured question: Blood

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Paper

Marks

Topic

Blood

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Paper 3Theory (Core)3 marks

Functions of blood components

Description

Blood contains red blood cells, white blood cells, platelets, and plasma, each with specific functions.

a
State the function of red blood cells.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
State two functions of white blood cells.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)3 marks

Description

Blood is made up of red blood cells, white blood cells, platelets, and plasma, each with specific roles.

a
State the role of platelets in the blood.
Your answer
Aim for approximately 1 distinct marking point.
[1]
b
State four substances carried by plasma.
Your answer
Aim for approximately 2 distinct marking points.
[2]