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Articulations between adjoining bones


A tough, fibrous, insoluble protein forming the primary component of the skin, hair, nails, and tooth enamel

Keratinized epithelium

THe dead cells of the epidermis

Lacteal vessel

Found within the villi of intestinal wall, where fat nutrients are absorbed


Tissue connecting bone to bone


Space within the thoracic cavity that houses all the organs of the chest except the lungs


the sum total of uses of ATP in the body

Mucous Membrane

Thin sheets of tissue cells that line body openings or canals that open to the outside of the body


A protein that makes up nearly half of the proteins in muscle cells


The control center of the cell


Cavities containing the eyes

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