Which of the following is $NOT$ a character of open circulation?

  • A
    Blood flows with low pressure.
  • B
    Respiratory pigment is usually absent.
  • C
    Presence of blood capillaries.
  • D
    Presence of haemocoel.

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Similar Questions

Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult?

Which of the following statements is correct regarding the composition of blood and lymph?

Choose the correct option:
$(1)$ Depolarization of the ventricles induces the $QRS$ / $T$ waves.
$(2)$ Incomplete double circulation is seen in reptiles / birds.

Match column $I$ with column $II$:
Column $I$Column $II$
$(a)$ Eosinophils$(i)$ Coagulation
$(b)$ $RBC$$(ii)$ Universal Recipient
$(c)$ $AB$ Group$(iii)$ Resist Infections
$(d)$ Platelets$(iv)$ Contraction of Heart
$(e)$ Systole$(v)$ Gas transport

Which of the following vertebrate organs receives only oxygenated blood?

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