30 terms

Science Ingenuity Unit Vocabulary

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autonomous
involuntary

existing as an independent part or organ
chemical signal
signals used by the nervous system to communicate;

released by one neuron to excite a neighbouring one.
Detect -- Process -- Store information
how the nervous system works
receptors
detects changes in the environment or stimuli
electromagnetic signal
a light signal

stimuli detected are turned into this form of messages
fight or flight response
reaction during stress

makes them either stay and deal with it, or run away
heart rate
the number of heartbeats per minute
impulse
a message or stimulus transmitted by nerve cells, influencing action in the muscle, gland, or nerve cells that it reaches
innate behavior
behaviors that occur naturally whenever species are exposed to a certain stimulus.

these behaviors that are controlled by genes with little or no environmental influence
input
any information or event taken in or put into a system
involuntary
NOT controlled by the will

done or made unconsciously
iris
round colored part of that eye that surrounds the black pupil

this controls the amount of light entering the eye
long-term memory
phase of the memory process considered as the permanent storehouse of retained information and skills
mechanical signal
signals due to motion such as sound waves
nervous system
body system that coordinates and controls responses to stimuli and conditions behavior and consciousness

includes the brain, spinal cord, ganglia, nerves, and nerve centers
pupil
small, round, black holes in the centre of an eye, through which light enters
reaction
an action performed or a feeling experienced in response to a situation or event
reflex
an involuntary and nearly instantaneous movement in response to a stimulus
respiration
breathing;

inhalation and exhalation of air
response
any behavior that results from an external or internal stimulus
sense organs
body organs which detects external stimuli and send impulses to the brain

These are the eyes, ears, tongue, nose, and skin
sensitivity
awareness or degree of response, as of a cell, tissue, or organism, to a stimulus
short term memory / sensory memory
ability to store small amount of information for a short period of time
signal
a gesture, action, or sound that is used to convey information or instructions
somatic
voluntary
stimulus
something that causes an organism to react or respond
The Dive Reflex
body's response to submersion in cold water where parts of the body selectively shut down in order to conserve energy for survival
transmit
to send or forward information to a receiver or destination
voluntary
controlled by an individual's will;

done or made consciously
working memory
memory-in-action; mental sticky notes

the ability to remember and use important information while in the middle of an activity.