Eyes Flashcards
A________is a change or signal in the environment that can make an organism react
Stimulus
When the nervous system makes you feel hungry or thirsty what body process is it helping to carry out
Homeostasis
__________ is the part of a neuron that carries nerve impulses away from the cell body
Axon
A motor neuron sends An impulse to a_________ or a gland
Muscle
____________ is the thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system
Spinal cord
_____________is the part of the brain that controls memory
Cerebrum
The _____________nervous system controls voluntary actions such as turning a television on
Somatic
A___________is an automatic response of the body that occurs very rapidly and without conscious control
Reflex
In some reflex actions skeletal muscles contract without the involvement of what organ
Brain
__________is the name of the opening through which light enters the eye
Pupil
What produces sound
Vibrations
The senses of smell and taste both detect
Chemicals
___________ is an important sensation because it can alert the body of danger
Pain
Suppose that you can close a window because you notice that the rain is falling. Your action in closing the window is a(n)___________
Response
A____________is the space between an axon and the structure that receives the nerve impulse
Synapse
