Multiple choice general knowledge

name the species that have five hearts

  1. Lizard

  2. Earthworms

  3. Rat

  4. Tuataras
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Earthworms have 5 aortic arches that function like hearts, pumping blood through their circulatory system. These are paired structures running along the body that contract rhythmically. Lizards, rats, and tuataras all have a single heart like other vertebrates.

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