Show:
The Nervous System
Neurons
PNS to CNS
Sensory Awareness
Drug Effects
100
The body's main central processing center.
What is the Central Nervous System?
100
Dendrites Axons
What are the fibers that project from the cell body?
100
short term
What is the memory that lasts only a few minutes?
100
chemoreceptor
What receptor do you use to smell a flower or taste food?
100
caffeine nicotine cocaine methamphetamines "meth"
What are stimulants?
200
The PNS (Peripheral Nervous System) delivers information to CNS and carries messages from CNS to other organs via the nerves.
Describe the PNS.
200
Myelin sheath
What is the thick covering of insulation around the axon of many neurons?
200
hypothalamus
What acts as your biologival clock?
200
indicates tissues are endanger
What are pain receptors?
200
Morphine codeine heroin
What are the narcotics made from poppies?
300
seeing colors of a sunset feeling a change in temperature feeling a tap on the shoulder smelling a flower hearing thunder tasting a spicy pepper
What are examples of stimuli?
300
A nerve cell
What is a neuron?
300
cerebrum
What is largest and most complex part of your brain?
300
eyes, ears, skin, nose, mouth
What are the sensory organs?
300
slows brain activity alcohol barbiturates tranquilizers
What are depressants?
400
Sensory input Integration Motor output
What are the nervous systems's three main functions?
400
provides energy for muscle contraction
What does ATP do?
400
carries signals from CNS to skeletal muscles
What is the somatic nervous system?
400
rods and cones
What are photoreceptors?
400
a substance that is used to create an effect on the body
What is a drug?
500
A rapid, automatic response (such as a knee jerking after a hammer has hit the knee)
What is a reflex?
500
carries electric impulses from cell body to other cells
What is an axon's function?
500
parasympathetic division
What division calms the body and returns the body to regular maintenance functions?
500
auditory canal
What is tunnel like opening in the ear?
500
stimulants narcotics depressants hallucinogens inhalants marijuana ecstasy
What are drug classifications?