Double circulatory heart is present in

  • A
    Birds only
  • B
    Mammals only
  • C
    Reptilia only
  • D
    Both $(a)$ and $(b)$

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Similar Questions

Which of the following statements is correct regarding human circulation?

The course of blood flow in pulmonary circulation is . . . . . . . . . . . . .

What is systemic circulation?

Define/Explain the following terms:
$(i)$ Open circulatory system
$(ii)$ Closed circulatory system

What is the primary feature that distinguishes an open circulatory system from a closed circulatory system?

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