Respiratory System

Question 1

Upper airway: (consider where they might be located as well)

Answer 1

Trachea, oropharynx (behind the mouth), larynx (voice box), nose & mouth, nasopharynx (behind the nose), and epiglottis.

Question 2

Lower airway components:

Answer 2

Trachea, carina, trachea branches to left & right main stem bronchi, and then to the lungs.
Bronchioles (smaller branches of bronchi)
Alveoli (in contact w/ pulmonary capillaries, they diffuse o2 from respiratory system to the body)
Pulmonary capillaries (diffuse co2 from the body to the alveoli)
Surfactant (helps keep the alveoli from collapsing)

Question 3

Name the 2 types of pleura and their functions:

Answer 3

Visceral pleura: lines outer surface of the lungs
Parietal pleura: lines inside surface of chest cavity
(Inhale, your parietal pulls the visceral which pulls the lungs)

Question 4

Where are the Intercostal muscles & what do they do?

Answer 4

Located between the ribs, they contract when inhaling and expand the thoracic cage