Each segment is superfically subdivided into rings or______ in leech.

The body of leech is metamerically divided into __________ segments.

On the mid dorsal side of 26 th segment lies the _________ in leech.

How many segments are involved in formation of anterior sucker in leech?

In leeches, each segment bears a number of projections called__________

Shows a conducitng loop abcdefa made of six segment ab, bc cd, de, ef and fa, each of length l. Each segment makes a right angle with the next so that abc is in the x-z plane, cda in the x-y plane and efa is in the y-z plane. A uniform magnetic field B exists along the x- axis. If the magnetic field changes at a rate (dB)/(dt), find the emf induced in the loop.

All the four channels of circulatory system are connected together in ________ segment of leech.

Each thoracic segment of Periplaneta americana is enclosed by four "____" skeletal sclerites : a dorsal "_____" a ventral "______" and two lateral "______" . The "_____" of the prothorax is also called pronotum, which covers the neck and a part of the head Complete the above paragraph by selecting the correct sequence of words.