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The correct order of air passages in the respiratory system is:
The correct answer is "larynx, trachea, bronchi, bronchioles, alveoli"
Approximately how many hemoglobin molecules does a red blood cell contain?
The correct answer is "250 million"
Approximately how fast can material released in a sneeze travel (according to a recent estimate)?
The correct answer is "10 miles an hour"
Which part of the brain triggers normal breathing?
The correct answer is "medulla oblongata"
What is the approximate tidal volume in normal breathing?
The correct answer is "500ml"
According to some researchers, how many alveoli may be present in a lung?
The correct answer is "300 to 500"
The scientific name for the voice box is:
The correct answer is "Larynx"
The scientific name for the windpipe is:
The correct answer is "Trachea"