A human nervous system is much more complex. Unlike a human a jellyfish does not have a central nervous system.
No, not all living organisms have a nervous system. Invertebrates like sponges, jellyfish, and corals lack a nervous system, while all vertebrates, including humans, have a nervous system.
Very much so.
Most jellyfish do not have specialized digestive, osmoregulatory, central nervous, respiratory, or circulatory systems.
Not all animals have complex nervous systems. In fact, most lower animals don't even show an organized nervous system. Its only in higher animals like chordates that a proper organized nervous system is seen.
Jellyfish do not have specialized digestive, osmoregulatory, central nervous, respiratory, or circulatory systems. A jellyfish does not have a brain or central nervous system, but rather has a loose network of nerves, located in the epidermis, which is called a "nerve net". A jellyfish detects various stimuli including the touch of other animals via this nerve net, which then transmits impulses both throughout the nerve net and around a circular nerve ring, through the rhopalial lappet, located at the rim of the jellyfish body, to other nerve cells.
A brainless organism is an organism that lacks a central nervous system or a defined brain. These organisms may have simpler nerve networks or rely on decentralized nerve cells to coordinate their bodily functions. Examples include jellyfish and sponges.
No. They have a very simple nervous system that includes neither of these features. Hence, they are not chordates.
The visceral part, also known as the autonomic nervous system.
The nervous system. Which is made up of the peripheral nervous system and the central nervous system (including the brain).
Yes, the nervous system is considered one of the organ systems in animals.
Without the nervous system, we would have only primitive, unintelligent organisms such as sponges and jellyfish. There would be no one to post questions or to answer them. This website would fall out of use.