This printable crossword puzzle on the topic of Human Body Systems has 10 clues. Answers range from 6 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
decreases alveolus surface tension to prevent collapse
increase surface area, divide nasal cavity and support mucous membrane
branch from the trachea leading to air sacs
membrane surrounding lungs
cavity space between visceral and parietal pleura
type of epithelial tissue of alveoli
dome shape muscle responsible for inspiration/expiration
area of the pons responsible for rate of breathing
respiratory group active during forceful breathing
respiratory group active during basic rhythm of breathing