Incoming Resources
- The respiratory system, Joseph Midthun, Samule Hiti
- When you breathe, written by Diana Farid ; illustrated by Billy Renkl
- The science of the lungs and respiratory system, Richard and Louise Spilsbury
- The power of breath, the art of breathing well for harmony, happiness, and health, Swami Saradananda
- Sneeze!, Alexandra Siy and Dennis Kunkel
- Boogers and snot, by Grace Hansen