Insects Gas Exchange Crossword

This printable crossword puzzle on the topic of Microbiology has 11 clues. Answers range from 6 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Ring-like muscles that minimise water loss (8)
Middle section of the insect (6)
Tubes lined with chitin and carry respiratory gases around the body (8)
Small tubes where most of the gas exchange happens (10)
A layer of chitin that protects the insect (11)
Fibrous substance that covers the insect (6)
An inactive insect that is the larva of a brightly coloured winged insect (11)
An active insect named after a mythological beast (9)
The invertebrate phylum which includes insects, millipedes, centipedes and crustaceans (10)
Found along the thorax and abdomen. Site of entry and exit of respiratory gases. (9)
Increase the volume of air moving through the respiratory system (7)