The Muscular System - General Anatomy of Muscles

7 important questions on The Muscular System - General Anatomy of Muscles

What Marks the Boundary of a Sarcomere?

-Z discs

Characteristics of a Muscle Cell

-contractility
-conductivity
-excitability
-extensibility

What Structure Stores Calcium Ions That Trigger Muscle Contraction?

-Endoplasmic Reticulum (ER)
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Sheet of Elastic Tissue That Separates Neighboring Muscles?

-Fascia

Thick Myofilaments Consist Mainly of Which Protein?

-Myosin

Circular Muscle That Controls a Body Opening or Passage?

-sphincter

What Shape Would You Classify a Muscle That is Composed of Fascicles all Running in the Same Direction?

-Parallel

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