Respiration Crossword

This printable crossword puzzle on the topic of Human Body Systems has 10 clues. Answers range from 5 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Through what organ does air move into the lungs?
What is the proper term for breathing?
What are the tiny air sacs in the lungs called?
What is one product of aerobic respiration?
What is the other product of aerobic respiration?
What reaction occurs in yeast?
What does the trachea divide into?
What direction does the diaphragm move when you breathe in?
Name a life process that respiration is needed for.
when we inhale the volume of our rib cage does what