Which of the following organisms exhibits incomplete double circulation?

  • A
    Toad
  • B
    Turtle
  • C
    Krait
  • D
    All of the above

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Similar Questions

What is called double circulation?

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

Give scientific reasons:
$(1)$ It is necessary to send blood from the right ventricle to the lungs.
$(2)$ The heart is called a double pump.

Discuss the circulatory system in various vertebrates and the gradual development of the heart.

Blood must pass through the ........ to reach the left side of the heart.

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