scattered among the surfaces of the epithelial cells that produce mucus

* Cranial Cavity * Spinal Cavity

lines the body cavities

second layer composed of web-like fibers that provide protective cushion

* Thoracic Cavity * Pleural Cavity * Pericardial Cavity * Mediastinum

line the cavities that open to the external environment

topmost layer of mucous membranes that face the external environment; can be ciliated

lines the stomach that acts as a protective layer

primary component of both parietal and visceral layer that produces serous fluid

secrete synovial fluid

acts as a lubricant between parietal and visceral layer

three layers of protective membrane that covers the brain or the spinal cord

hollow space or compartment within the body

lines organs and body cavities

lines the organs

innermost layer in contact with the brain and spinal cord responsible for delivering vital nutrients and oxygen to the central nervous system

* Abdominal Cavity * Pelvic Cavity

abundant in the small intestine responsible for absorbing nutrients

outermost layer of the meninges composed of tough fibers and is relatively thick

scattered along the digestive tract that secrete enzymes necessary for digestion