| The schematic representation of a circulatory system of a scorpion is shown below. |
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| Select the correct interpretation. |
A) The schematic represents a closed vascular system.
B) The heart receives only oxygenated blood.
C) Body parts receive oxygenated and de-oxygenated i.e., mixed type of blood.
D) The schematic is erroneous as it indicates that pericardial sinus receives de-oxygenated blood.
Correct Answer: B
Solution :
The schematic represents open vascular system. Body parts receive oxygenated blood only. Pericardial sinus receives oxygenated blood from book lungs.
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