Brains On! Science podcast for kids

What’s inside a jellyfish?

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Jul 25, 2023
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ANECDOTE

Rosie's Jellyfish Encounter and Taste

  • Rosie describes seeing jellyfish surrounding a boat and feeling awe mixed with concern about falling in.
  • She also shares tasting jellyfish in Korea, noting its unique texture and sour flavor.
INSIGHT

Jellyfish Ancient and Unique Anatomy

  • Jellyfish have existed for over 500 million years, older than dinosaurs and trees.
  • Despite their longevity, they lack brains, bones, blood, and organs like hearts.
INSIGHT

Jellyfish Anatomy and Mouth-Butt

  • Jellyfish consist of a bell-shaped body with tentacles, a skin layer, thick jelly layer, and digestive system called the gastrodormous.
  • Their mouth is also their anus, so food intake and waste output happen through the same opening.
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