Nervous System
internal is in and external is out
Internal stimuli is unconscious stimuli that occurs without conscious thought. External stimuli occurs from outside sources that procur conscious thought.
internal is in and external is out
Not at all
True. Hunger is internal, a voice is external.
Stimuli are composed of two types: The Internal Stimuli and External Stimuli. Under internal stimuli are homeostatic imbalances and blood pressure. On the other hand, external stimuli are vision, touch and pain, taste, smell, equilibrium and sound.
how can respiatory system respond to internal and external stimuli
They are receptors.
reflexes
Internal and external stimuli affect cells
In biological terms, an internal and external stimuli are distinguishable by the source. For instance, hunger triggers the need to eat. This is an internal stimuli, as the body is stating it needs food. An external stimuli would be feeling the pinch of the needle when donating blood, or feeling the effects of the sun in the form of sunburn.
This is called sensation.