Question

3. leeches do not have an elaborate secretion of digestive juices
and enzymes. Why?
​

Answer 1

Leeches does not have an elaborate secretions of digestive juice and enzymes because the single meal taken by the leeches last for several months.

Answer 2

$\huge\mathtt\purple{ANSWER:) }$

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Leeches also inject an anaesthetic substances that prevents the host from feeling their bite. In the crop, blood is stored which gives nourishment to the leech for several months. Due to this reason there is no eloborate secretion of the digestive juices and enzymes.