Jellyfish survive (& thrive) without a brain or heart – here’s how!

Jellyfish No Brain

Jellyfish. An ancient, sea dwelling, ‘stinging machine’ located in the majority of the worlds waters, in infinite numbers, have no brain or heart to keep them alive…true or false? TRUE! Jellyfish have no brains but don’t worry, we’ll explain all about their unbelievable nervous systems and anatomy later. Let’s start with understanding what they are … Read more