Healthy Heart and Lungs

Name: ______________________   Date: ____________

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

1.
A T H
In good shape and not sick
2.
H T
Organ that pumps blood around the body
3.
U N
Either of two saclike respiratory organs in the chest of vertebrates (plural)
4.
T V E
Chemical agent capable of ___
5.
E R C
Depending on free oxygen or air
6.
P S
A mechanical device that moves fluid or gas by pressure or suction (plural)
7.
F A S
8.
S T
Salty fluid secreted by ___ glands
9.
N M E
A short performance that is part of a longer program
10.
E T
11.
P E
The rate at which the heart beats
12.
T E A
A person whose job is to help others learn.
13.
E E C S
Physical activity that keeps you fit
14.
H Y A L Y