Multiple choice general knowledge

Octopus has how many hearts??

  1. One

  2. Two

  3. Three

  4. Four
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Octopuses have three hearts - two branchial hearts that pump blood through the gills, and one systemic heart that pumps blood to the rest of the body. This unique cardiovascular system supports their active lifestyle and complex physiology.

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