Practice 1: Muscle Structure

Practice 1: Muscle Structure

Assessment

Flashcard

Science

12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a myofilament?

Back

A myofilament is a filament that constitutes myofibrils, which are the basic units of muscle contraction. The two main types are actin (thin filaments) and myosin (thick filaments).

2.

FLASHCARD QUESTION

Front

What is the function of actin in muscle structure?

Back

Actin is a protein that forms thin filaments in muscle fibers and plays a crucial role in muscle contraction by interacting with myosin.

3.

FLASHCARD QUESTION

Front

What is the epimysium?

Back

The epimysium is a connective tissue sheath that surrounds the entire muscle, providing structure and protection.

4.

FLASHCARD QUESTION

Front

What is the perimysium?

Back

The perimysium is a connective tissue that surrounds bundles of muscle fibers, known as fascicles, providing support and pathways for nerves and blood vessels.

5.

FLASHCARD QUESTION

Front

What is the endomysium?

Back

The endomysium is a thin layer of connective tissue that surrounds each individual muscle fiber, providing support and facilitating the exchange of nutrients and waste.

6.

FLASHCARD QUESTION

Front

What is a fascicle in muscle structure?

Back

A fascicle is a bundle of muscle fibers (cells) grouped together within a muscle, surrounded by perimysium.

7.

FLASHCARD QUESTION

Front

What connects skeletal muscle to bone?

Back

Tendons connect skeletal muscle to bone, allowing for the transmission of force during muscle contraction.

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