Muscular System Review

Muscular System Review

Assessment

Flashcard

Biology

11th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the function of the Infraspinatus muscle?

Back

The Infraspinatus muscle is responsible for the external rotation of the shoulder and stabilization of the shoulder joint.

2.

FLASHCARD QUESTION

Front

What are thin filaments in muscle fibers?

Back

Thin filaments are primarily composed of actin, which plays a crucial role in muscle contraction.

3.

FLASHCARD QUESTION

Front

Identify the sartorius muscle.

Back

The sartorius is a long, thin muscle that runs down the length of the thigh and is involved in flexing, abducting, and laterally rotating the hip.

4.

FLASHCARD QUESTION

Front

What is the role of actin in the sarcomere?

Back

Actin is a protein that forms thin filaments in the sarcomere and is essential for muscle contraction.

5.

FLASHCARD QUESTION

Front

What does it mean when a sarcomere is contracting?

Back

When a sarcomere is contracting, it means that the muscle fibers are shortening, leading to muscle contraction.

6.

FLASHCARD QUESTION

Front

Define the term 'sarcomere'.

Back

A sarcomere is the basic structural and functional unit of a muscle fiber, defined as the segment between two Z lines.

7.

FLASHCARD QUESTION

Front

What is the role of myosin in muscle contraction?

Back

Myosin is a thick filament that interacts with actin to produce muscle contraction through the sliding filament mechanism.

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