Sympathetic Tone Is Defined as Ongoing Stimulation of Smooth Muscles

question 52

True/False

Sympathetic tone is defined as ongoing stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction.

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Definitions:

Visceral Mass

The part of a mollusk's body that contains most of the internal organs.

Siphon

A tubelike structure through which liquids can be transported from one level to another, used by some organisms for feeding or respiration.

Earthworms

Invertebrates that belong to the phylum Annelida, known for their role in aerating soil and breaking down organic matter.

Annelids

A phylum of invertebrate worms known for their segmented bodies, including earthworms, leeches, and their relatives.