If you smell something really nasty like a dirty nappy you either just wrinkel your nose or your gag-reflex is activated. This reflex used to be to protect us from eating things which can harm us e.g.: mouldy food or faeces.
reflex arc
Afferent pathway
Reflex Arc
Reflex Arc
Afferent pathway
A Reflex
Reflexes are rapid involuntary responses to a given stimuli. The reflex pathway that only has one synapse in the CNS is called the monosynaptic reflex arc.
as a part of the olfactory reflex pathway
The short pathway that carries the impulse for an automatic response is called a reflex arc.
Reflex Arc
it refers to the sense of smell
the sense of smell