The diagram shows the main blood vessels and structures of the heart - Edexcel - GCSE Biology - Question 3 - 2017 - Paper 1
Question 3
The diagram shows the main blood vessels and structures of the heart.
(a) (i) Draw a line to show the aorta on the diagram.
Label this line X.
(ii) Complete the se... show full transcript
Worked Solution & Example Answer:The diagram shows the main blood vessels and structures of the heart - Edexcel - GCSE Biology - Question 3 - 2017 - Paper 1
Step 1
Draw a line to show the aorta on the diagram.
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Answer
To indicate the position of the aorta, draw a line from the left ventricle upward, exiting the top of the heart structure in the diagram. Label this line as 'X'.
Step 2
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The correct answer is C: blood to all parts of the body. This indicates that the left ventricle pumps oxygenated blood throughout the body, which requires greater force due to the thicker muscular walls.
