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What is the site for complete digestion and absorption of food in a cockroach?

Options:
A. fore gut
B. hind gut
C. stomodaeum
D. mesenteron

Answer :

Final answer:

The site for complete digestion and absorption of food in a cockroach is the mesenteron, which is equivalent to the midgut, where digestive enzymes break down food and nutrients are absorbed. So the correct option is: D. mesenteron

Explanation:

The site for complete digestion and absorption of food in a cockroach is the mesenteron. In the digestive system of a cockroach, as well as many other insects, the alimentary canal is divided into three primary sections: the foregut, midgut, and hindgut. The foregut functions in ingesting and storing food, while the hindgut is mainly involved in excretion and osmoregulation. The mesenteron, or midgut, is where the majority of digestive enzymes are produced and where the absorption of nutrients takes place. This process is akin to the absorption in the small intestine of vertebrates, where digestive enzymes break down food and the nutrients are absorbed into the bloodstream.

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