Practice 1: Muscle Structure

Front

What is the largest structure in muscle anatomy?

Back

Muscle

Front

What is the smallest structure in muscle anatomy?

Back

Sarcomere

Front

What is the smallest unit of muscle fiber?

Back

Myofibril

Front

What are sarcomeres made of?

Back

Myofilaments

Front

What is the smallest contractile unit of a muscle?

Back

Sarcomere

Front

What is the function of myofilaments?

Back

They are responsible for muscle contraction.

Front

What is a fascicle?

Back

A bundle of muscle fibers.

Front

What is the role of muscle fibers?

Back

They are the cells that contract to produce movement.

Front

What is the relationship between myofibrils and muscle fibers?

Back

Myofibrils are the components within muscle fibers that facilitate contraction.

Front

What is the hierarchy of muscle structure from smallest to largest?

Back

Myofilament < Myofibril < Muscle fiber < Fascicle < Muscle