Practice 1: Muscle Structure

Front

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

Back

True

Front

A muscle is wrapped in a _____________.

Back

Epimysium

Front

What type of tissue connects the skeletal muscle to a bone?

Back

Tendon

Front

A muscle is made of many… (one step down)

Back

Fascicles

Front

Which is a myofilament?

Back

Actin

Front

What is the basic functional unit of a muscle called?

Back

Sarcomere

Front

What are the two main types of muscle tissue?

Back

Skeletal and smooth muscle.

Front

What is the role of myofibrils in muscle contraction?

Back

They contain the contractile proteins (actin and myosin) that enable muscle contraction.

Front

What is the function of the sarcolemma?

Back

It is the cell membrane of a muscle fiber that helps transmit electrical signals.

Front

What is the connective tissue surrounding individual muscle fibers called?

Back

Endomysium