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Follow blood through the heart and lungs

7th grade (Year 8 in England) · 10 questions · Common Core: NGSS.MS-LS1-3 · England: KS3 Biology: Gas exchange systems, GCSE Combined Science: Organisation

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1
Question 1
Which blood vessel carries oxygen-rich blood from the lungs to the heart?
- A. vena cava
- B. pulmonary vein
- C. pulmonary artery
- D. aorta
2
Question 2
Following blood from the body to the lungs: where does blood go straight after the right ventricle?
- A. lungs
- B. vena cava
- C. right atrium
- D. pulmonary artery
3
Question 3
Why is the wall of the left ventricle thicker than the right?
- A. It is older
- B. It holds more blood
- C. It pumps blood all round the body, so it needs more force
- D. It pumps blood to the lungs only
4
Question 4
Following blood from the lungs to the body: where does blood go straight after the left atrium?
- A. lungs
- B. left ventricle
- C. aorta
- D. pulmonary vein
5
Question 5
Why is the wall of the left ventricle thicker than the right?
- A. It holds more blood
- B. It pumps blood to the lungs only
- C. It pumps blood all round the body, so it needs more force
- D. It is older
6
Question 6
Following blood from the body to the lungs: where does blood go straight after the right ventricle?
- A. lungs
- B. pulmonary artery
- C. right atrium
- D. vena cava
7
Question 7
What is the job of the valves in the heart?
- A. to make blood cells
- B. to stop blood flowing backwards
- C. to add oxygen to blood
- D. to slow the heartbeat
8
Question 8
Following blood from the body to the lungs: where does blood go straight after the right atrium?
- A. vena cava
- B. lungs
- C. pulmonary artery
- D. right ventricle
9
Question 9
Why is the wall of the left ventricle thicker than the right?
- A. It holds more blood
- B. It pumps blood all round the body, so it needs more force
- C. It is older
- D. It pumps blood to the lungs only
10
Question 10
Following blood from the body to the lungs: where does blood go straight after the pulmonary artery?
- A. right ventricle
- B. vena cava
- C. lungs
- D. right atrium

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