Examlex
In insects and spiders,__________ take up fluid,uric acid,and solutes from the blood and deliver them to the gut.
Dopamine
A neurotransmitter involved in many functions, including motivation, reward, reinforcement, and motor control.
Neural Impulse
is the electrical signal transmitted along a neuron, facilitating communication between neurons or between neurons and muscles.
Threshold
The minimum level of stimulus intensity required for a stimulus to be detected.
Intensity
The amount of energy in a light or sound wave, which we perceive as brightness or loudness, as determined by the wave’s amplitude.
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