The Respiratory system

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1.
Voice box
2.
Throat
3.
Windpipe
4.
Closes over the glottis during swallowing
5.
Mucus that protects the respiratory system
6.
Air tubes that branch off the trachea
7.
Tiny air tubes that branch off the bronchi
8.
Tiny blood vessels
9.
Flexible connective tissue that protects joints and bones
10.
The ______ portion is the upper part of the respiratory system
11.
The ______ portion is the lower part of the respiratory system
12.
Tiny sacs at the end of bronchioles
13.
Cells that hold mucus
14.
Slows down air to moisten and warm it up
15.
External part of the respiratory system
16.
____ lobes on the right lung
17.
____ lobes on the left lung
18.
Protects the lungs
19.
Obtain oxygen and remove carbon dioxide
20.
Entrap particles from incoming air, Help control the temperature and water content of air, Produce vocal sounds, Smell, Regulation of blood pH