These muscles are only found in the heart.

This means that these muscles can be controlled by a person.

These muscles line organs and blood vessels.

This system makes up at least a third of your body's weight.

This posterior muscle is the largest in the body.

This is a characteristic that makes a cardiac muscle look striped when viewed through a microscope.

This body structure is composed of muscle fibers, protective tissues, blood vessels and nerves and creates movement by pulling a bone.

It means that these muscles can't be controlled by a person.

Skeletal, smooth and cardiac

These structures, which are located laterally in the superior area, are the site of the smallest muscles in the body.

They both only have one nucleus.

The area of the brain that controls voluntary muscles.

The control part of the cell that is limited to one for every smooth muscle fiber.

This is a group of muscular diseases that causes progressive muscular weakness.

This structure which is medial and cranial in the anterior portion of the body uses the body's strongest muscle.

The area of the brain that controls involuntary muscles.

Protective connective tissues that extend past muscle fibers and turn into this tissue that connects a muscle to a bone.

Like cardiac muscles, this is where smooth muscles are controlled.

This part of the name of an arm muscle means that it is 3-headed or has 3 points of origin.

The terms deltoid, rhomboid, trapezius and teres are all parts of muscle names and refer to this one descriptive characteristic.