No heartbeat but still alive: 5 animals that survive without a heart
Published on: Dec. 10, 2025, 10:01 p.m. | Source: Times of India
The animal world is an arena where creatures are endowed with incredible mysteries, where some animals live perfectly well without a heart. Well, this isn’t some miracle; it’s pure science.This unique characteristic is possible because their bodies are simple and small enough for oxygen and nutrients to spread directly from the surrounding water. These creatures do not need blood or vessels, so nature never really gave them a pumping organ. They are amazing examples of how life can evolve very different solutions to the same basic needs. Instead of a heartbeat, they depend on water flow, diffusion, and simple body plans to survive.Here are 5 unique animals that survive without a heart
