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Cambridge IGCSE Combined Science practice

Which component of the heart prevents backflow of blood?

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MCQ

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cambridge_mcq

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Topic

Heart

Exam-style question

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Which component of the heart prevents backflow of blood?.

  1. A.Septum
  2. B.Atria
  3. C.One-way valves
  4. D.Coronary arteries

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Paper 3 structured question: Heart

Paper 3Theory (Core)2 marks

Description

Components of the Heart

The heart consists of four chambers: two atria and two ventricles, separated by a septum. It has one-way valves to prevent backflow and coronary arteries that supply blood to the heart muscle.

  1. a

    Identify List the four main components of the mammalian heart.

    Aim for approximately 2 distinct marking points.

    [2]