Leeches do not have an elaborate secreti...

Leeches do not have an elaborate secretion of digestive juices and enzymes - Why?

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The blood sucked by the leech is stored up in the crop . The blood gets haemolysed in the crop . Then the blood is passed drop by into the stomach where it is digested slowly by the peptolytic enzyme. The digested blood is absorbed by the intestine.

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Leeches have __________ .

heart

lungs

true blood vessels

excretory organs

Secretion of gastric juice is controlled by .......... .

Enterogesterone

Cholecystokinin

Gastrin

pepsin

Leeches do not have an elaborate secretion of digestive juices and enzymes - Why?

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Leeches have __________ .

Secretion of gastric juice is controlled by .......... .

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