What Are the Body Parts of a Jellyfish?
Quick Answer
A jellyfish's body is made up mainly of water, along with a jelly-like substance called mesoglea, tentacles, a mouth and a thin layer of skin. Its body is around 90 percent water and its skin is only one cell thick.
Continue Reading
Full Answer
The jellyfish does not have a brain, heart or any other organs. In fact, jellyfish don't even have a head. Instead of a nervous system, they have a movable network of nerves that is positioned along their epidermis, which is called a "nerve net." Jellyfish have light-sensitive organs called ocelli, which identifies light but not images. Box jellyfish have more superior eyes, some of which can identify color.
The jellyfish's tentacles are used to sting and catch prey. The sting of a box jellyfish's tentacles is so powerful that it can kill a human being in minutes.
Learn more about JellyfishRelated Questions
-
Q:
How Do Jellyfish Swim?
A: Jellyfish swim by opening and closing a part of their body called the bell, which is the transparent, sack like part of their body that the tentacles hang ... Full Answer >Filed Under: -
Q:
What Are Characteristics of Jellyfish?
A: Jellyfish are free-swimming marine animals composed of more than 95 percent water, with bodies consisting of an umbrella-shaped bell and trailing tentacles... Full Answer >Filed Under: -
Q:
How Do Jellyfish Survive in the Ocean Waters?
A: Most jellyfish survive in the ocean by allowing themselves to be carried by the current. Though all jellyfish can contract their muscles enough to swim, ev... Full Answer >Filed Under: -
Q:
How Long Do Jellyfish Live?
A: Most species of jellyfish live for less than one year. Some smaller species may only live for a few days. However, a type of jellyfish called Turritopsis i... Full Answer >Filed Under:
