Question

why gizzard is called grinding machine for cockroach ?​

Answer 1

Answer:

The gizzard is the next structure that is present after the crop.It is also called the proventiculus.

It helps in the grinding food particles due to the presence six chitinous plates called teeth.

Answer 2

gizzard...

a thick-walled, muscular pouch in the lower stomach of many birds and reptiles that grinds food, often with the aid of ingested stones or grit. Also called gastric mill. a similar structure in the foregut of arthropods and several other invertebrates, often lined with chitin and small teeth...

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