There is no heart, lungs, or brain! So how do jellyfish live without these important organs? They do not need lungs because their skin is so thin that it can absorb oxygen through it. They don't have blood, so they don't need a heart to pump it out.
What are the characteristics of jellyfish?
However, despite its name, jellyfish are not really fish. Invertebrates or animals without a spine. Jellyfish have small stinging cells on their tentacles that stun or paralyze their prey before eating it. Inside the bell-shaped body there is an opening that serves as a mouth.
What are the three interesting facts about jellyfish?
10 Amazing Facts of Jellyfish for Kids Some jellyfish can glow in the dark. .. Jellyfish are the oldest multi-organ animals. .. Jellyfish can be found all over the world. .. Some jellyfish are immortal. .. Not all jellyfish have tentacles. .. There is a huge jellyfish called hair jelly. .. Every year, 150 million people are bitten by jellyfish. 10子供向けの驚くべきクラゲの事実-ブリストル水族館<1>
クラゲには心がありますか？
A jellyfish that lacks the brain, blood, and even the heart is a fairly simple creature. They are made up of three layers. The outer layer called the epidermis. An intermediate layer made of a thick, elastic jelly-like substance called mesoglea. And the inner layer called gastric skin. 2021
Does the jellyfish have a brain?
They do not have a brain, but animals still have neurons that send signals of all kinds throughout the body. .. Jellyfish have a network of nerves instead of a single centralized brain. This "ring" nervous system is where neurons are concentrated and is a processing station for sensory and motor activity.
Below you will find two helpful answers on a similar topic. 👇
What is carapace in shrimp?What bird can walk on water?
