As Shown in the Figure Above, Item ____ Points to the Button

question 60

Multiple Choice

As shown in the figure above, item ____ points to the button that adds lines or borders.

• A) 3
• B) 4
• C) 7
• D) 8

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Definitions:

Sarcomere

The fundamental unit of striated muscle tissue, responsible for muscle contraction, defined by the area between two Z lines.

Contracted Sarcomere

A sarcomere that has shortened in length, due to the sliding of actin and myosin filaments, leading to muscle contraction.

Muscle Fiber

A single muscle cell that contracts in response to stimulation and is capable of producing force.

Electrically Excitable Cells

Cells capable of generating and propagating electrical impulses, such as neurons and muscle cells.