A) corpora allara
B) corpora cardiac
C) protocerebrum
D) thoracic ganglion
Correct Answer: B
Solution :
In insects, a hormone called proctolin is originated from corpora cardiaca. This hormone targets the hindgut and possible visceral muscles (heart and oviduct) and regulates the muscle contraction, defecation, oviposition and heartbeat.You need to login to perform this action.
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