gas exchange system and cellular respiration Crossword

This printable crossword puzzle on the topic of Human Body Systems has 11 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

another word for windpipe
the two branches leading off of the trachea
the tubes that take air to and from the alveoli
the grape like things on the end of the bronchioles
the muscle that controls your breathing
what is produced when lactic acid and energy mix together
respiration without oxygen
particles of carbon that can cause lung infection ( a risk of smoking )
one of the main addictive drugs in a cigarette
anaerobic respiration in plants and micro organisms like yeast
the small hairs that line the windpipe