digestive system of cockroch
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The digestive system consists of the alimentary canal and digestive glands. The alimentary canal of cockroach is divided into foregut, midgut, and hindgut. The mouth opens into a short tubular pharynx, leading to a narrow tubular passage, the oesophagus. the food enters the gizzard. The gizzard is a muscular stomach with sharp teeth-like structures that grinds the food into smaller pieces. The gastric sacks contain bacteria that the cockroach uses to digest its food. The Malpighian tubules are the main organs of the cockroach's excretory system.
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