These carry oxygenated blood to the tissues.
Arteries
The maximum amount of air that your lungs can hold.
Vital capacity
The healthier location to breathe in air
nose
When the diaphragm relaxes, the level of pressure in the lungs___________.
increases/high pressure
What percent of O2 is carried by red blood cells?
94-100%
These carry deoxygenated blood back to the heart.
Veins
The amount of air that you breathe in and out.
Tidal volume
Splits into the esophagus or trachea
pharynx
external respiration
Air that enters the alveoli during inspiration is ______ in O2 and ______ in CO2.
high, low
What 2 types of light are used in a pulse oximeter?
Red and infrared
Where does internal respiration occur?
Tissues/body cells
300 million air sacs
alveoli
In the process of respiration, what comes after internal respiration?
pulmonary respiration
What specific brain structure controls respiration rate?
medulla oblongata
This is used to determine oxygen saturation.
Pulse oximeter
Which body cavities is the diaphragm between?
thoracic and abdominal
When we complete inspiration what happens next? Be specific
air moves into lungs from the atmosphere
In the process of respiration, what comes before transport of O2 and CO2?
external respiration
What substance lubricates the lungs?
pleural fluid
Approximately how many oxygen molecules can one drop of blood carry? (must be within 500 million)
1.08 billion
Why does the left lung have 2 lobes instead of 3?
To make room for the heart
Where air travels after the pharynx and larynx
trachea
How many oxygen molecules can one hemoglobin molecule carry?
4
What was Michael Phelps total lung capacity at the peak of his career? (must be within 2 liters)
12 (10-14)