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 b... 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
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 of the heart. From there, it moves into the right ventricle. When the right ventricle contracts, it increases the blood pressure, propelling the blood into the pulmonary artery, which carries it to organ X, the right lung.
Step 3
Which row shows the names of blood vessels W and Y?
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