Brain is necessary to survive. For humans, brain is the most powerful organ of the body. It helps in functioning of your body. It helps you to know about your surroundings etc., it is also right to think that brain is necessary to live and survive.
But, nature says otherwise. Some animals on our planet go on to live full lives hunting, moving and reacting to their surroundings without brain. Here are 5 animals that live without brain:
These water creatures have no brain, heart or bones. They survive on a simple nerve net which helps them sense the world and react accordingly.
Starfish also known as sea stars have no brain, but they have a decentralised nerve ring and sensory cells in each arm. This helps them to move, find food and even regenerate lost limbs, all without any central brain.
These creatures are among the simplest animals alive. They have no brain, organs or nervous system. They rely on water currents to feed and clean themselves. They’ve been around for more than 600 million years.
These colorful look like plants are actually animals and that too without brains! These creatures form colonies, feed through tentacles. They build a massive reef systems which support entire ecosystems.
These are fresh water animals. They have no brain. They use a basic nerve net to contract and feed. They’re also known for their near-immortality.