Digestive System (2)

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
D i e t i s e
The ___ that makes food absorbable into the body
2.
s o h
The region of the body of a vertebrate between the thorax and the pelvis
3.
s l i n t e n
The longest part of the alimentary canal
4.
E y m
Any of several complex proteins that are produced by cells and act as catalysts in specific (plural)
5.
v l
6.
l a r g e i t
7.
e s p a
The passage between the pharynx and the stomach
8.
t a e
One of the tubules forming the respiratory system of most insects and many arachnids
9.
d a p a
A mechanical device in a camera that controls size of aperture of the lens
10.
l n
Either of two saclike respiratory organs in the chest of vertebrates (plural)
11.
L r n
A cartilaginous structure at the top of the trachea
12.
b r o i t u b
13.
a s a