respiratory system

Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide

• Pharynx
• Diaphragm
• Alveoli
• Lungs

When bronchial tubes are irritated and swell (causing excessive coughing)

• Bronchitis
• Lung cancer
• Asthma
• Emphysema

When alveoli in the lungs enlarge and cant push oxygen to the blood

• Bronchitis
• Lung cancer
• Asthma
• Emphysema

Muscular structure that helps to expand and contract the lungs, forcing air in and out

• Pharynx
• Nasal cavity
• Alveoli
• Diaphragm

This is a tube-like pasage used for food, liquid, and air

• Larynx
• Trachea
• Pharynx
• Lungs

Passage way that moistens the air and has hairs to trap dust and particles

• Nasal cavity
• Bronchi
• Mouth cavity
• Larynx

This is the airway that has two pairs of vocal chords attached to it

• Lungs
• Diaphragm
• Pharynx
• Larynx

Bronchial tubes contract quickly causing shortness of breath, coughing, and wheezing

• Bronchitis
• Emphysema
• Lung cancer
• Asthma

Flap of tissue that covers the trachea during swallowing.

• Pharynx

• Trachea

• Epiglottis

• Glottis

Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 

• 1,2,3,4
• 2,3,1,4
• 2,1,3,4
• 4,2,3,1