The diagram shows the human circulatory system - Edexcel - GCSE Biology - Question 3 - 2015 - Paper 1
Question 3
The diagram shows the human circulatory system.
blood vessels in organ X.
blood vessel W
blood vessel Y
(a) (i) Name organ X.
(ii) Explain how the heart causes ... show full transcript
Worked Solution & Example Answer:The diagram shows the human circulatory system - Edexcel - GCSE Biology - Question 3 - 2015 - Paper 1
Step 1
Name organ X.
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Answer
The organ X is the right lung.
Step 2
Explain how the heart causes blood to move to organ X.
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Answer
Blood flows into the right atrium and then into the right ventricle. When the right ventricle contracts, blood pressure increases, pushing the blood into the pulmonary artery. This movement of blood is crucial as it facilitates oxygenation in the lungs.
Step 3
Which row shows the names of blood vessels W and Y?
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