Energy of the Body - The Respiratory System

Name _____________________________ Date __________ Score _______ Quiz 26A

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Across
3.	What system provide the new materials needed for matabolism?
4.	the organ of the respiratory system responsible for the exchanges of gases
6.	the muscle responsible for inhaling
9.	bands of tissue that vibrate to produce sound
13.	the thin, flexible flap that covers the larynx when swallowing
14.	carries food to the stomach
15.	the chest cavity
18.	one of the many tiny divisions of the bronchi
20.	"windpipe"
21.	The waste product of aerobic cellular respiration is
22.	When your diaphragm contracts, you
23.	"voice box"

Down
1.	A lung ____ when the alveoli lose most of their air.
2.	the total of all the body's process
5.	the opening between the vocal folds
7.	the microscopic sacs in which the exchange of gases takes place in the lungs
8.	Trachea is to lungs as esophagus is to
10.	Trachea is to air as esophagus is to
11.	__ is the body's most common source of energy.
12.	___ percent of the people who die of lung cancer are smokers.
16.	a thick substance that coats much of the opens into the esophagus and "windpipe"
17.	Oxygen enters your blood and carbon dioxide leaves by the process of
19.	the two branches of the trachea

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