digestion worm

Question 1

This is a long tube, which starts at the mouth and ends at the anus.

Answer 1

alimentary canal

Question 2

it is a pear shaped muscular chamber, which extends up to the 4th segment. On the inner dorsal side of this structure, there is a salivary gland. This structure helps to pump food inside the mouth.

Answer 2

pharynx

Question 3

it is a narrow, elongated, thin walled tube extending up to the 7th segment. It acts as a food pipe.

Answer 3

esophagus

Question 4

It is a very long, wide tube that extends from the 15th segment to the anus. Internally, this structure has foldings called villi.

Answer 4

intestine

Question 5

A small opening situated below the prostomium.

Answer 5

mouth

Question 6

It is an oval, thick walled, highly muscular organ which helps grind food particles.

Answer 6

glizzard

Question 7

A thin walled, short tube behind the mouth that helps to ingest food.

Answer 7

buccal cavity

Question 8

A circular opening that allows undigested food materials to be excreted.

Answer 8

anus

Question 9

in the pharynx the food is mixed with

Answer 9

digestive enzymes

Question 10

A soft walled pouch found after the oesophagus that allows for the storage of food particles.

Answer 10

crop