a structure projecting from the face for breathing and smelling.

auditory portion of the inner ear filled with fluids

found in the space between the membranous and bony labyrinth

found in the membranous labyrinth

sensorineural organ of the cochlea which is composed of hearing receptors called hair cells.

shell shaped projecting structure of the external ear that collects and directs sound waves.

short and narrow sound passageway that leads from the outer to the inner ear.

layered membranes that jacket the central nervous system: brain and spinal cord.

innermost membrane, closely adhering to the surface of the brain and spinal cord

middle membrane, made up of fibrous and elastic connective tissues; separated to the pia mater by the cerebrospinal fluid

outermost membrane; thick and tough linings

colourless fluid found in CNS

Total pairs of spinal nerves

a very large fiber tract that connects the cerebral hemispheres.

the outer layer of the cerebrum that consists of gray matter that processes information.

primary motor area that allows the conscious movement of the skeletal muscles.

somatic sensory area Allows recognition of pain, coldness and light touch.

the nerve pathway involved in a reflex action including at its simplest sensory nerve and a motor nerve with a synapse between.

enlarged and rounded part that contains the nucleus, mitochondria that supply ATP, ribosomes that manufacture proteins, and other organelles.

also called the nerve fiber, conducts nerve impulses away from the cell body.