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Question
Given below is a highly schematic diagram of the human blood circulatory system.
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- Which part (state the number) represents the heart? Give reason in support of your answer.
- Which numbers represent the following, respectively?
Aorta Superior vena cava Hepatic portal vein Renal Vein Pulmonary artery Stomach
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Solution
- Number 3 The diagram shows the heart by showing the flow of blood from the same number and ending in the second section from all sides, representing both the supplier and collecting vessel.
- Aorta - 5
Hepatic portal vein - 7
Pulmonary artery - 1
Superior vena cava - 9
Renal Vein - 8
Stomach - 10
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- Label the parts 1 and 4 indicated in the diagram.
- Which of the above mentioned number is the thickest artery? Also write its name.
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