Human Body (2)
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
b
l
e
A distensible membranous sac
2.
v
n
A blood vessel that carries blood from the capillaries toward the heart
3.
m
o
The opening through which food is taken in and vocalizations emerge
5.
l
s
Either of two saclike respiratory organs in the chest of vertebrates (plural)
6.
s
k
A natural protective body covering and site of the sense of touch
7.
t
r
a
One of the tubules forming the respiratory system of most insects and many arachnids
8.
c
i
r
y
Any of the minute blood vessels connecting arterioles with venules
9.
u
e
Liquid excretory product
10.
o
x
n
Gas in the air that we need to breathe
12.
k
n
y
Either of two bean-shaped excretory organs that filter wastes from the blood and excrete them (plural)
13.
t
s
Conduit consisting of a long hollow object used to hold and conduct objects or liquids or gases (plural)
15.
d
i
a
p
A mechanical device in a camera that controls size of aperture of the lens
16.
n
s
The organ of smell and entrance to the respiratory tract
17.
n
i
o
e
A common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas
18.
e
x
o
y
Of or relating to the process of ___
19.
m
s
Protective secretion of the mucous membranes
20.
e
e
y
The power to do work or make things move
21.
p
a
a
A fourth state of matter distinct from solid or liquid or gas and present in stars and fusion
22.
t
e
p
a
t
How hot or cold something is
24.
r
e
s
i
n
The metabolic processes whereby certain organisms obtain energy from organic molecules