Structures & Functions Pt 1
Structures & Functions Pt 2
Gas Exchange
Lung Mechanics
Spirometry
100
Identify "A"
Nose/Nasal Cavity
100
What is another name for the windpipe?
Trachea
100
What structure does gas exchange take place in?
Alveoli
100
If volume _______, then pressure __________.
Increases; decreases
Decreases; increases
100
Volume of air breathed in and out in any one breath during normal breathing.
Tidal Volume
200
Identify "B"
Pharynx
200
Helps produce sounds of speech
Larynx
200
_________ diffuses from alveolus into the blood and _________ will diffuse from blood into alveolus
O2; CO2
200
What muscle is primarily responsible for inhalation/exhalation?
Diaphragm
200
Prevents lungs from collapsing during forced breathing
Residual Volume
300
Identify "C"
Larynx
300
Branches from the trachea, continues to carry & filter air
Bronchi
300
Gradient of high pressure to low pressure
Diffusion
300
During expiration, pressure _________ and volume _________.
Increases; decreases
300
Maximum volume of air that can be exhaled after a maximum inhalation.
Vital Capacity
400
Identify "D"
Bronchioles
400
Lies within capillary networks
Alveoli
400
Identify what is happening at "A" and "B" in the diagram
A: Deoxygenated blood from the heart
B: Oxygenated blood sent back to heart
400
During inspiration, is the diaphragm contracted or relaxed?
Contracted
400
Volume of air in excess of tidal volume that can be exhaled forcibly.
Expiratory Reserve Volume
500
Map the path carbon dioxide travels through in the respiratory tract. Use the structures of the respiratory system.
Alveoli -> Bronchioles -> Bronchi -> Trachea -> Pharynx -> Mouth/Nose
500
Explain the purpose of the mucous membrane
Prevents entry of large particles, bacteria, viruses, dust, etc.
500
How many O2 molecules can bind to hemoglobin at one time?
Four
500
Where are the accessory muscles located for breathing? (Inspiration and expiration)
Inspiration: Shoulders, neck, ribs
Expiration: Abdominal Muscles
500
Inflow and outflow of air between the atmosphere and the lungs (also called breathing).
Pulmonary Ventilation