Examlex
Describe three activities in which one uses three different senses to detect small differences in the intensity of sensory stimuli. What role does difference threshold play in each activity?
Chemical Messengers
Substances in the body that transmit signals from one cell to another, often referred to as hormones or neurotransmitters.
Special Receptors
Unique sensory cells located throughout the body that respond to specific stimuli like light, sound, or pressure.
Neurotransmitter
Chemical substances that transmit signals across a synapse from one neuron to another.
Behaviour
The actions, reactions, or functioning of an organism, typically in response to its environment.
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