Health through history
Visit these blogs:
Jon Barron's blog: http://jonbarron.org/topic/respiratory-system
IMCPL's official blog: http://www.imcpl.org/kids/blog/?p=12460
Clounaugh Science's blog: http://clounaghscience.wordpress.com/the-respiratory-system/
Roots and etymologies
Respiration: comes from the Latin respirationem (nominative respiratio) "breathing, respiration," noun of action from past participle stem of respirare
Alveoli: comes from the Modern Latin alveolus "socket of a tooth"
Bronchi: comes from the Greek bronkhos "the wind pipe"