Your sense organs are the parts of your body, for example your eyes and your ears, which enable you to be aware of things around you.
[formal]
sense organ in British English
noun
a structure in animals that is specialized for receiving external or internal stimuli and transmitting them in the form of nervous impulses to the brain
sense organ in American English
any organ or structure, as an eye or a taste bud, containing afferent nerve terminals that are specialized to receive specific stimuli and transmit them to the brain; receptor