1. ______ plays a critical role as a neurotransmitter thatstimulates muscles to contract.
Acetylcholine
GABA
Dopamine
Endorphin
2. Which is the best description of the kinestheticsense?
It has to do withtouch, pressure, temperature, and pain.
It has to do with thelocation of body parts in relation to the ground and to eachother.
It has to do withmovement and body position.
It has to do with yourlocation as compared to the position of the sun.
3. The aspect of color that corresponds to names such as red, green,and blue is ______.
brightness
saturation
hue
finedetail
4. Helmholtz’s explanation of color vision is called the______.
opponent-processtheory.
additive color mixingtheory
trichromatictheory.
reductive color mixingtheory.