My Crossword Maker Logo
Powered by BrightSprout
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

The Respiratory System

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Across
1
broad lower part of each lung; rests on diaphragm
5
air that remains in the lungs after the most forceful expiration
7
usually about 12 to 18 breaths a minute; much faster during exercise
10
exchange of gases between the air in the lungs and in the blood
13
Tube about 11 cm (4.5 inches) long that extends from larynx into the thoracic cavity
15
The nose, pharynx and larynx are part of what respiratory tract?
17
refers to the actual use of oxygen by the cells in a process called metabolism
18
amount normally breathed in or out with each breath
19
Each bronchus branches into smaller and smaller tubes eventually leading to _____
Down
2
narrow upper part of each lung, under collarbone
3
What lung has three lobes?
4
Located just below the pharynx and is composed of several pieces of cartilage
6
exchange of gases between the blood and the cells in the body
8
Specialized membrane that lines the air distribution tubes in the respiratory tree
9
Volumes of air exchanged in breathing can be measured with a what?
11
What lung has two lobes?
12
responds to changes in carbon dioxide, oxygen, and blood acid levels-located in carotid and aortic bodies
14
Olfactory receptors are located in the ____
16
Acts as a "hallway" or passageway for air & food