Skeletal Muscles

Front

What is the A band in a sarcomere?

Back

The A band is the region of a sarcomere that contains only thick filaments (myosin).

Front

What tissue attaches skeletal muscles to bones?

Back

Tendons attach skeletal muscles to bones.

Front

What is another name for skeletal muscle?

Back

Skeletal muscle is also called voluntary muscle.

Front

What are the thick filaments found in a muscle cell called?

Back

The thick filaments in a muscle cell are called myosin.

Front

What is the function of the M line in a sarcomere?

Back

The M line is the middle of the sarcomere where thick filaments are anchored.

Front

What is the I band in a sarcomere?

Back

The I band is the region of a sarcomere that contains only thin filaments (actin).

Front

What is the Z line in a sarcomere?

Back

The Z line is the boundary between adjacent sarcomeres and anchors the thin filaments.

Front

What type of muscle is involuntary and not striated?

Back

Smooth muscle is involuntary and not striated.

Front

What is the role of actin in muscle contraction?

Back

Actin is a thin filament that interacts with myosin to facilitate muscle contraction.

Front

What is the primary function of skeletal muscles?

Back

The primary function of skeletal muscles is to facilitate voluntary movement of the body.