Open Curriculum
Open Curriculum: Digestive System
Students learn about the organs and major functions of the digestive system, the roles of intestinal bacteria, and about diseases of the digestive system.
CK-12 Foundation
Ck 12: Life Science: Bacteria in the Digestive System
[Free Registration/Login may be required to access all resource tools.] Yogurt is a good source of calcium. Yogurt also contains active cultures of "good" bacteria. Foods that contain these beneficial bacteria are sometimes called...