Respiratory System

Question 1

What are the components of the Respiratory System?
Which are upper and which are lower?

Answer 1

Upper:
Nasal cavity
Pharynx
Larynx
Lower:
Trachea
Bronchi
Bronchioles
Lungs

Question 2

What are the functions of the respiratory system?

Answer 2

Ventilation
Respiration
Phonation
Olfaction
Protection

Question 3

What is the difference between the respiratory and conducting zones?

Answer 3

Respiratory zone:
small bronchioles to alveoli
Conducting zone:
all the way down to the large bronchioles

Question 4

What are the various functions of the components of the respiratory system?

Answer 4

Ventilation - getting air in + out of lungs
Respiration - exchange of oxygen + carbon dioxide

Question 5

What are the various lung volumes and lung capacities? What do they represent? What are their values?

Answer 5

TV: Tidal Volume - 0.5L
IRV: Inspiratory Reserve Volume - 2.5L
ERV: Expiratory Reserve Volume - 1.5L
RV: Residual Volume - 1.5
IC: Inspiratory Capacity - 3L
FRC: Functional Residual Capacity - 3L
VC: Vital Capacity - 4.5L
Total Lung Capacity - 6L