Name the structure in letter A
A _________ (chemical / electrical) signal is sent at the synapse.
chemical
touch, taste, smell, hearing, sight
The division of the nervous system that includes the brain and spinal cord.
Central Nervous System
These kittens are showing the _______-__-________ response of the autonomic nervous system.
fight-or-flight
What lobe of the brain is shown?
temporal lobe
The _________ (dendrite / axon) of one neuron sends a signal to the ___________ (dendrite / axon) of the next neuron.
axon, dendrite
What do the 3 bones of the middle ear do?
transmit vibrations from the eardrum to the cochlea (inner ear)
Name the two halves of the brain
right hemisphere
left hemisphere
Constricted pupils, decreased heartrate, increased digestion, and relaxation are all parts of the ______-__-________ response of the autonomic nervous system
rest-and-digest
Name the snail-shaped structure shown in blue.
Reflexes travel from a _______ (sensory/motor) neuron, to the ______ (brain/spinal cord), to a ________ (sensory/motor) neuron.
sensory, spinal cord, motor
What three things are felt by the somatic senses?
pain
pressure
temperature
This region of the brain controls personality, judgement, self-control, and motor control.
It does not finish developing until age 26
frontal lobe
What part of the peripheral nervous system controls the fight-or-flight and rest-and-digest responses?
autonomic nervous system
What substance insulates the axon of a neuron?
(shown in gray below)
myelin
What is the connection between neurons called?
synapse
List the 3 structures that light passes through (in order) in the eye.
pupil, lens, retina
This region helps control balance and coordination of muscle activity
cerebellum
How does alcohol affect your brain?
-slows reaction time
-decreases judgement
-decreases muscle control
- slurs speech
Name the structure shown in number 5
retina
Name one neurotransmitter.
DOUBLE THE POINTS! What does this neurotransmitter do?
What is the difference between sensation and perception?
Sensation is how your brain gets the messages.
Perception is how your brain processes the information for you to understand.
This region coordinates sensory information, and emotion
limbic system
What substance blocks adenosine (energy waste molecules) from attaching to neurons and sending sleep signals?
caffeine