Gas that makes up 21% of the air. it passes into the bloodstream at the lungs and travels to all body cells
12 pairs of nerves that carry messages to and from the brain with regard to the head and neck
Part of the brain anterior to the cerebellum and between the the medulla and the rest of the midbrains
Tiny ball of capillaries in the kidney
Microscopic fiber that carries the nervous impulses along a nerve cell
lymphatic tissue in the nasopharynx; pharyngeal tonsils
Openings through the nose carrying air into the nasal cavities
Collection of spinal nerves below the end of the spinal cord
The brain and spinal cord
Thick, outermost layer of the meninges surrounding and protecting the brain and spinal cord
Macroscopic cord-like collection of fibers that carry electrical impulses
Breakdown of complex foods to simpler forms
Lower, neck-like portion of the uterus
Pigment released by the liver in bile
Thin, delicate inner membrane of the meniges
Triangular area in the urinary bladder
Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory
Voice box; containing the vocal cords