All of the ribs are attached to the _____ vertebrae.

Cilia are most likely to be seen on ____ epithelium lining the respiratory tract.

The central nervous system includes the following:

Which of the following is NOT a function of the skeletal system?

A plane dividing the body into dorsal / ventral (or anterior/posterior) portions:

A dark brown pigment produced by some cells of the epidermis:

An individual muscle cell is often referred to as a:

Number of thoracic vertebrae:

Releases calcium ions into the myofibril:

Cells in this layer of the skin are actively growing and reproducing.