Minor Gridlines Can Also Be Identified by a Tick Mark

question 62

True/False

Minor gridlines can also be identified by a tick mark.

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Definitions:

External Intercostals

Muscles located between the ribs that help expand the thoracic cavity during inspiration.

Scalene

Refers to a group of three paired muscles in the lateral neck that facilitate breathing and are involved in various neck movements.

Closes the Anal Opening

This term likely refers to the sphincter ani externus muscle, which controls the opening and closing of the anus.

External Anal Sphincter

A muscle that controls the expulsion of feces from the anal canal.