When muscle fascicles are arranged in concentric rings this arrangement is referred to as
A) parallel.
B) bipennate.
C) convergent.
D) unipennate.
E) circular.

Name: When muscle fascicles are arranged in concentric rings this arrangement is referred to as A) parallel. B) bipennate. C) convergent. D) unipennate. E) circular.
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Question

Quizplus · Accepted Answer

Muscle fascicles arranged in concentric rings are referred to as circular. This arrangement is typical of sphincter muscles, which control openings and closings in the body.

When Muscle Fascicles Are Arranged in Concentric Rings This Arrangement