The engine of the breath
The gas exchange highway
The ultimate cleaning crew
Breathing at the extremes
YOUR GOAL
Master of How we breathe
artiteacher The ultimate cleaning crew
Sweeping it up (up and out!) / Keeping us clear (no doubt!) / Wave those tiny cilia, that's what breathing's about!
artiteacher Millions of hair-like structures sweep dirty mucus upward and out of your lungs.
artiteacher Guide rushing air down the windpipe to discover how your lungs receive oxygen.
Sneeze speed: A human sneeze can travel at speeds up to 150 kilometers per hour, launching droplets several meters away.
Microscopic hairlike projections on the outer surface of some cells that beat rhythmically to move particles or fluid. In the human trachea, they beat up to twenty times per second to sweep out inhaled dust.
What percentage of inhaled particles is typically trapped by the sticky mucus in your airways?
Which immune cells patrol the human alveoli to engulf and digest dust and bacteria?
What are the microscopic, hair-like structures that sweep mucus out of the human lungs?
Approximately how much mucus does a healthy human respiratory tract produce each day?
What is the primary purpose of the 'mucociliary escalator' in the human trachea?