Gaseous Exchange Crossword

This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 4 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

the mechanical process whereby air moves into and out of the lungs. (inhalation and exhalation)
the release of energy from glucose in the presence of oxygen
Fish have _______ for gaseous exchange
The trachea divides into the right and left _____________ which enter the lung.
the exchange of oxygen and carbon dioxide across a gaseous exchange surface.
Mammals have __________ and a blood supply
to ensure the maximum exchange of gases can take place.
Shape of the diaphragm
Exhalation is what type of breathing (process)
Water regulation in the body.
Bronchiole end in small air sacs called _____________
The alveoli are surrounded by a system of ____________ blood vessels