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Listen: These muscle fascicle organizations form rings around body openings. What are they called?

A. Deltoid
B. Circular
C. Unipennate
D. Convergent

Sagot :

GinnyAnsweridn

Final answer:

Circular muscles contract to reduce opening size, convergent muscles converge at a single attachment point, fascicles are bundles of muscle fibers enclosed in perimysium.


Explanation:

Circular muscles are organized like rings around body openings and are also known as sphincters. When they contract, they reduce the opening's size, and when they relax, they increase the opening's size.

Convergent muscles have fascicles that converge at a single attachment point. An example is the pectoralis major muscle in the chest.

Fascicles are bundles of muscle fibers that are enclosed in the perimysium, and these fascicles allow for specific movements when activated by the nervous system.


Learn more about Muscle Fascicle Organizations here:

https://brainly.com/question/33885521


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