Respiratory System
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
u
l
o
n
a
y
Relating to or affecting the lungs
2.
L
u
n
Either of two saclike respiratory organs in the chest of vertebrates
4.
T
r
c
h
e
One of the tubules forming the respiratory system of most insects and many arachnids
5.
N
s
e
The organ of smell and entrance to the respiratory tract
6.
l
u
r
a
The thin serous membrane around the lungs and inner walls of the chest
7.
D
a
p
h
a
m
A mechanical device in a camera that controls size of aperture of the lens
8.
I
n
c
s
t
a
l
Muscles between the ribs
9.
L
a
y
n
g
t
s
Inflammation of the mucous membrane of the ___
10.
B
r
o
n
c
i
s
Inflammation of the membranes lining the ___ tubes
11.
L
a
y
n
A cartilaginous structure at the top of the trachea
12.
s
t
m
a
Respiratory disorder characterized by wheezing
13.
P
n
e
u
o
i
Respiratory disease characterized by inflammation of the lung parenchyma with congestion caused
17.
O
g
e
n
Gas in the air that we need to breathe