Anatomy of a skeletal muscle

What is the organ of a skeletal muscle?

A muscle

A muscle is made of many _____.

Fascicles

What is a fascicle?

A bundle of muscle fibers

What is a muscle fiber?

A muscle cell made of many myofibrils

What is a myofibril?

Long proteins that make up each muscle fiber

What does myofilaments make up?

Sarcomeres

What are myofilaments made of?

Actin and Myosin

What does a tendon do?

Connects skeletal muscle to bone

What is an epimysium?

Connective tissue sheath that surrounds the entire muscle

What is the perimysium?

Connective tissue sheath that surrounds each fascicle

What is an endomysium?

Connective tissue sheath that surrounds each muscle fiber

What is a sarcolemma?

Plasma membrane around each muscle fiber

Sarcomere line up to form ____.

Myofibrils

What is a sarcomere?

The smallest unit where contraction occurs