Qstnid -Ii-2- Given Below Is A Highly Schematic Diagram Of The Human Blood Circulatory Sytem. (A) Which Part (State The Number) Represents The Heart? Give Reason In Support Of Your Answer. (B) Which Numbers Represent The Following Respectively? Aorta Renal Vein Hepatic Portal Vein Pulmonary Artery Stomach Dorsal Aorta Superior Vene Cava <Img Border="0" Data-original-height="464" Data-original-width="308" Height="200" Src="/etl/esadigi-best/content/system/stage/icse-x-cmn/hwh-biology-selina/c06/im04.png" Width="132"> - 06: The Circulatory System - Icse-x-biology

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ICSE-X-Biology

06: The Circulatory System

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#2
Given below is a highly schematic diagram of the human blood circulatory sytem. (a) which part (state the number) represents the heart? Give reason in support of your answer. (b) Which numbers represent the following respectively?
Aorta
Renal Vein
Hepatic portal vein
Pulmonary artery
Stomach
Dorsal aorta
Superior vene cava

Ans : (a) The structure 3 represents the heart. It forms the centre of double circulation and is located between the liver and the head (as per the diagram). Also, the blood circulation (indicated by 1) begins from heart to lungs. (b)

Aorta 5

Hepatic portal vein 7

Pulmonary artery 1

Superior vena cava 9

Renal vein 8

Stomach 10

Dorsal aorta 11

#2-a
which part (state the number) represents the heart? Give reason in support of your answer.
Ans : The structure 3 represents the heart. It forms the centre of double circulation and is located between the liver and the head (as per the diagram). Also, the blood circulation (indicated by 1) begins from heart to lungs.

#2-b
Which numbers represent the following respectively?
Aorta
Renal Vein
Hepatic portal vein
Pulmonary artery
Stomach
Dorsal aorta
Superior vene cava

Ans :

Aorta 5

Hepatic portal vein 7

Pulmonary artery 1

Superior vena cava 9

Renal vein 8

Stomach 10

Dorsal aorta 11