Practice 1: Muscle Structure

Front

What is a sarcomere made of?

Back

Myofilaments

Front

What is a fascicle made of?

Back

Muscle fibers

Front

What wraps around a muscle fiber?

Back

Endomysium

Front

True or False: Skeletal muscles attach to bones (or skin) in at least two places.

Back

True

Front

What wraps around a fascicle?

Back

Perimysium

Front

What is the basic contractile unit of a muscle?

Back

Sarcomere

Front

What are the two types of myofilaments?

Back

Actin and Myosin

Front

What is the outermost layer of connective tissue surrounding a muscle?

Back

Epimysium

Front

What is the function of myofibrils?

Back

They are responsible for muscle contraction.

Front

What is the role of the endomysium?

Back

It surrounds individual muscle fibers and provides support.