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.
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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.
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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: -
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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: -
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Is There a Clear Jellyfish Species?
A: Many species of jellyfish are transparent or partially transparent. The bell-shaped body of the jellyfish is filled with a gelatinous substance that is mos... Full Answer >Filed Under: -
Q:
What Are Some Facts About the Box Jellyfish?
A: Box jellyfish live by the coasts of Australia and in the Indo-Pacific Ocean. They have up to 15 tentacles, which can reach 10 feet in length. Although they... Full Answer >Filed Under:
