The Functional Units of the Nervous System Are

question 48

Multiple Choice

The functional units of the nervous system are

• A)neuromodulators.
• B)nerve nets.
• C)neuroglia.
• D)neurons.

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Definitions:

Flatworms

A group of invertebrates within the phylum Platyhelminthes, known for their flat, soft bodies.

Water-Vascular System

Of echinoderms, a system of fluid-filled tubes and tube feet that function in locomotion.

Echinoderms

A phylum of marine animals characterized by radial symmetry, a calcareous skeleton, and a water vascular system, includes starfish and sea urchins.

Radial Symmetry

A form of symmetry found in some organisms, where body parts or structures radiate from a central point, allowing for multiple planes of symmetry.