Heart — Paper 2 · IGCSE Sciences - Co-ordinated (Double) 0654

7 The diagram shows a section through the heart. 2 3 4 1 When ventricles contract, which valves open and which valves close? open close A 1 and 3 2 and 4 B 1 and 4 2 and 3 C 2 and 3 1 and 4 D 2 and 4 1 and 3

1 marks

Answer: C

This question in 0654/23 May/June 2019

7 The diagram shows the double circulatory system to the lungs and the body. lungs V Y atrium atrium ventricle ventricle X W body In which two blood vessels is the pressure the highest? A V and W B W and Y C X and V D Y and X

1 marks

Answer: B

This question in 0654/21 May/June 2020

7 Which blood vessel carries deoxygenated blood and has a thick muscular wall? A aorta B pulmonary artery C pulmonary vein D vena cava

1 marks

Answer: B

This question in 0654/23 May/June 2020

7 What happens to the valves in the heart when the ventricles contract? valves between valves between atria and ventricles and ventricles arteries A close close B close open C open close D open open

1 marks

Answer: B

This question in 0654/23 May/June 2021

7 Which row shows the state of the heart valves whilst the atria are contracting and the ventricles are relaxing? valves between valves between the atria and the the ventricles and ventricles the arteries A open closed B closed open C open open D closed closed

1 marks

Answer: A

This question in 0654/21 Oct/Nov 2021

7 Which statement correctly describes the opening and closing of the valves in the heart during contraction of the ventricles? A The atrioventricular valves close and the semi-lunar valves close. B The atrioventricular valves close and the semi-lunar valves open. C The atrioventricular valves open and the semi-lunar valves close. D The atrioventricular valves open and the semi-lunar valves open.

1 marks

Answer: B

This question in 0654/22 Oct/Nov 2021

7 The table shows the blood pressures in the left ventricle and aorta at various times in a cardiac cycle. Which row shows the blood pressures when blood starts to leave the heart? pressure in left ventricle pressure in aorta / arbitrary units / arbitrary units A 3.0 12.0 B 6.2 6.2 C 16.0 10.0 D 18.0 20.3

1 marks

Answer: C

This question in 0654/22 May/June 2022

7 The arrows in the diagram represent blood vessels. Which vessel is the pulmonary vein? lungs A B heart kidneys D C

1 marks

Answer: B

This question in 0654/22 Feb/March 2023

7 The diagram shows the circulatory system of a mammal. lungs X Y Z heart rest of body Which row shows the correct names for blood vessels X and Y and for chamber Z? X Y Z A pulmonary artery aorta left ventricle B vena cava pulmonary vein left ventricle C vena cava aorta right ventricle D pulmonary artery pulmonary vein right ventricle

1 marks

Answer: D

This question in 0654/22 May/June 2023

6 The diagram shows a section through the human heart. 2 3 4 1 Which two blood vessels are arteries? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

1 marks

Answer: C

This question in 0654/22 Feb/March 2025

9 The diagram shows a front view of a human heart. R Q P S What is the sequence in which a blood cell passes through the four chambers of the heart? A P  S  R  Q B Q  P  R  S C R  Q  P  S D S  R  Q  P

1 marks

Answer: B

This question in 0654/22 May/June 2025

8 Which statement about the mammalian circulatory system is correct? A The atria contract to send blood directly to the body. B The blood passes through the heart once for every complete circulation. C The blood travels from the heart to the lungs and then back to the heart. D The left ventricle contracts to send blood to the lungs.

1 marks

Answer: C

This question in 0654/21 Oct/Nov 2025