This is called sensation.
internal is in and external is out
Nervous System
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
internal is in and external is out
They are receptors.
reflexes
Internal and external stimuli affect cells
External stimuli come from outside the body, such as light or sound, and trigger a response through the sensory organs, like eyes or ears. Internal stimuli originate inside the body, such as hunger or pain, and are detected by internal sensory receptors like nerve endings or hormones.