Assertion: grasshopper's organ | /r/CapableOf | call tympana
Facets:
Source sentences:
text: Instead it uses organs called tympana to hear, circular membranes found in the abdomen of the insect where the hind legs attach to the body.
text: Grasshoppers do not possess ears for hearing; instead they use organs called ‘tympana’ to carry out the hearing function.