The nervous system in Aschelninthes consists of a nerve ring that encircles the following:
Correct answer: B. Pharynx
- A. Mouth
- B. Pharynx
- C. Laynx
- D. Anus
Explanation
The nematode nervous system consists of a set of neuronal processes that run lengthwise on the nematode body. These processes consist of neurons that have a cell body also known as a neurocyte. A group of neurocytes is called a ganglion. These ganglion connect to the nerve ring which surrounds the Pharynx.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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