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What is 1 + 3?
air sacs that open and close and accept the oxygen, gas exchange between oxygen and carbon dioxide
wind pipe, leads to bronchi
main passage to lungs
flap that keeps food/liquid from going down windpipe
gas exchange, carbon dioxide, oxygen
a muscle that helps lungs open and close
cancer (abnormal growth of unhealthy cells) to your lungs
a disease of the alveoli caused by the tar from cigarettes
an infection in the lungs filled with fluid
harder to breath due to constricted airways
suck in oxygen, main organ in respiratory system
small hairs that filter your air