Multiple choice

Where is a spiral valve found?

  1. Pylangium of the conus arteriosus of frog's heart

  2. Synangium of the conus arteriosus of frog's heart

  3. Right auricle of rabbit's heart

  4. Sinus venosus of frog's heart

  5. Left auricle of rabbit's heart

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A Correct answer
Explanation

Spiral valve is found in the pylangium.