A stimulus is a change inside or outside your body that brings about a __________.
response
reflex
paralysis
stimulant
__________ carry messages away from the cell body of the neuron.
Axons
Dendrites
Lenses
Senses
__________ receive messages and send them to the cell body of the neuron.
Dendrites
Synapses
Reflexes
Axons
Your brain and spinal cord are joined to the other parts of your body through __________.
the peripheral nervous system
the reproductive system
the digestive system
the skeletal system
One part of the central nervous system is the __________.
brain
retina
appendix
cochlea
Which of these is NOT part of your brain?
the cochlea
the cerebrum
the cerebellum
the cortex
Which of these is the largest part of your brain?
the cerebrum
the cerebellum
the pons
the medulla
The division of the peripheral nervous system that regulates your heart beat is __________.
the autonomic system
the somatic system
the skeletal system
the muscular system
The division of the peripheral nervous system that regulates your ability to snap your fingers is __________.
the somatic system
the reproductive system
the digestive system
the autonomic system
__________ is a stimulant that can cause your heart to beat faster and make you feel restless.
Caffeine
Alcohol
Salt
MSG