I WONDER - What Are Jellyfish Made Of? Me Pregunto - De Qué Están Hechas Las Medusas?

Jellyfish are fascinating marine creatures composed mostly of water. Despite lacking a brain or heart, they have a simple nervous system that allows them to function. They do not require a circulatory system as they lack blood, and their thin skin enables them to absorb oxygen directly from the water, eliminating the need for lungs.

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