Curated OER
Respiratory and Circulatory System
While this presentation is designed to be used in conjunction with a series on the respiratory and circulatory system, it could be used as a way to review the functions of the heart, lungs, veins, and arteries. The graphics are well-done...
CK-12 Foundation
Ck 12: Life Science: Respiratory System Organs
[Free Registration/Login may be required to access all resource tools.] When you think of the processes of breathing, the lungs probably come to mind. The lungs are the main organ of the respiratory system. However, many other organs are...
Merriam-Webster
Merriam Webster: Dictionary Illustration: Respiratory System
Simple labeled diagram of the parts of the human respiratory system.