Which of the following statements is incorrect regarding the open circulatory system?

  • A
    Blood sinuses are present in the body.
  • B
    The volume of blood is high.
  • C
    Blood pressure is low and irregular.
  • D
    This circulatory system is present in cephalopod mollusks.

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Mammals are said to have a "double circulatory system". This means

The figure shows blood circulation in humans with labels $A$ to $D$. Select the option which gives correct identification of label and functions of the part.

Double circulation is

The circulatory pattern,in which blood pumped by the heart passes through large vessels into open spaces or body cavities called sinuses,is called $.......$ and it is found in $........$

Blood circulation that starts in capillaries and ends in capillaries is called:

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