Ck 12: Life Science: Respiratory System Health

[Free Registration/Login may be required to access all resource tools.] Many of the diseases related to smoking are called lifestyle diseases: diseases that are caused by choices that people make in their daily lives. For example, the choice to smoke can lead to cancer and heart disease in later life. But you can make healthy choices instead. There are many things you can do to keep yourself healthy. Learn more about respiratory system health in this learning module produced by CK-12.