Muscular System

Front

What attaches bones to each other at joints?

Back

Ligament

Front

What is the term for a bundle of muscle fibers?

Back

Fascicle

Front

What is shown in the colored part of this diagram?

Back

Five myofibrils

Front

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

Back

Epimysium

Front

What is the term for a single muscle cell?

Back

Muscle fiber

Front

What connective tissue surrounds each muscle fiber?

Back

Endomysium

Front

What connective tissue surrounds a fascicle?

Back

Perimysium

Front

What is the basic functional unit of a muscle?

Back

Sarcomere

Front

What is the role of myofibrils in muscle contraction?

Back

They contain the contractile proteins actin and myosin.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously, while involuntary muscles are not.