Nervous system Flashcards
central nervous system
Brain and spinal cord
peripheral nervous system
all other neuronal elements
brain weights how much
3 pounds
Brain stem
life functions, breathing
cerebellum
balance and coordination
cerebrum
thinking emotions
hypothalamus
temperature and hunger
pituitary gland
release hormones
sensory in sensory out
explains how nervous system works
where’s adrenaline produce
adrenal gland
how many spinal nerves
31 spine nerves
sensory neurons
receive and send information, see something process it. sends to brain
motor neurons
carries motor impulses out the brain. Efferent= away
axon terminal
where neuron connects with others
what’s the synaps or synaptic transmission
The space between a neuron’s axon and another neuron’s dendrite
autonomic nervous system
involuntary bodily functions
sympathetic nervous system
prepares the body for fight or flight, or physical activity
somatic nervous system
controls voluntary movement, sensory input
parasympathetic
relax, digest and conserve energy
affarent
sensory neuron
efferent
motor neuron
hyperopia
can see far sided
miopia
can’t see close sided
auditory osscles
in the ear and vibrates, little bone in ear
