Question

Explain digestive system of cockroach

Answer 1

Answer:

alimentary canal of cockroach is divided into 3 parts foregut, midgut, hindgut

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Mouth opens into narrow tubular pharynx , leading to a passage called oesophagus.

Food is stored in sac like structure called crop. Crop.followed by gizzard where grinding of food takes place

Gizzard helps in grinding of food.

Foregut is lined by cuticle. A ring of 6-8 blind tubules called hepatic or gastric caecae is present at the junction of midgut and hindgut , which secret digestive juice. At the junction of midgut and hindgut is present another 100-150 tubules coloured structure called Malphigian tubules. Help in removal of excretory product from hemolymph .

Hindgut is broader than midgut and is differentiated into illeum, colon , rectum.

Rectum opens out through anus.

hope it's helpful

^_^

Answer 2

Answer:

first three parts of the digestive system of the cockroach are the pharynx, Esophagus and the salivary glands. Pharynx is the 1st major part which leads into the esophagus which is the duct that move food towards the stomach. salivary glands produce saliva. crop is analogous to the stomach and gizzard helps in digestion. then it move from the intestine to the rectum which is the last part of the digestive tract.

HOPE IT HELPS YOU BUDDY.....

@dhruvchaudhary38