chapter 6 lesson 1-5

acts as your body's computer controlling the functions of each of the body systems

• spinal cord

• central nervous system

• cerebrum

• peripheral nervous system

directs the processes of thinking , reasoning , solving problems, and remembering ?

• cerebrum

• cerebellum

• brain stem

• spinal cord

helps with the balance and coordination ?

• cerebrum

• cerebellum

• brain stem

• spinal cord

a bundle of threadlike nerve fibers that extends from the brain stem to the lower part of the back

• cranial nerves

• peripheral nervous system

• spinal cord

• spinal nerve

the part of the brain that communicates with the left side of the body?

• left hemisphere

• right hemisphere

• motor nerve fibers

• sensory nerve fibers

the small tube that carries sound waves to the eardrum

• auditory canal

• Eustachian tube

• semicircular canals

• cochlea

the part of the ear that catches sound ?

• auditory canal

• outer ear

• inner ear

• middle ear

the thin membrane of skin that separates the outer ear from the the middle ear

• eardrum

• semicircular canals

• auditory canal

• cochlea

unconscious actions such as jerking your hand away from something that is hot ?

• reflex actions

• coordination

• nervous actions

• involuntary activities

the fibers that send orders for action from the brain and spinal cord to the muscles ?

• cranial nerves

• spinal nerves

• motor nerve fibers

• sensory nerve fibers