Leech is

i. The stomach of leech is a triradiate aperture. ii. The buccal cavity of leech leads into a muscular larynx. iii. Crop is the smallest portion of the alimentary canal in a leech. iv. The last chamber of crop in a leech, opens into the anus.

Leeches are

Leeches are

Leeches are

Leeches are

Leeches have __________ .

Leeches are ________ in nature.