The Indian Cattle Leech (Hirudinaria granulosa)

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

Arjun is studying in the tenth standard. He was down with fever and went to meet the doctor. As he went to the clinic he saw a patient undergoing treatment for a severe leech bite. Being curious, Arjun asked the doctor why a leech bite was not felt as soon as it attaches to the skin? What would have been the reply given by the doctor?

How does locomotion take place in leech?

How is the circulatory system designed in leech to compensate for the heart structure?

List out the parasitic adaptations in the leech.

How does a leech suck blood from the host?

Which organ acts as a suction pump in leech?

How many pairs of testes are present in the leech.

How does leech respire?

Give the common name of the Hirudinaria granulosa.

Identify whether the statement is True or False. Correct the false statement.

An anticoagulant present in the saliva of the leech is called heparin.

The blood-sucking habit of the leech is known as _____. (frugivorous/ herbivorous/ sanguivorous)

The anterior end of the leech has a lobe-like structure called _____. (anterior sucker/ clitellum/ posterior sucker)

The posterior sucker of formed by the fusion of the _____ (seven/five) segments.

The body of leech has

The brain of the leech lies above the 

Pharyngeal ganglion in leech is a part of

The segments of leech are known as

In leech, locomotion is performed by