Curated OER
What Are Cells?
Energize the cells of young biologists with an edible life science activity. Engaging students in exploring the inner workings of plant and animal cells, this activity involves using colored jello and various sweet and...
Khan Academy
Khan Academy: Tissues, Organs, & Organ Systems
Describes the main tissue types and organ systems of the body and how they function together.
Untamed Science
Untamed Science: Human Biology: Musculatory System
Learn about the three types of muscle tissue, how a muscle contracts, and how muscles are adapted for exercise. [3:40]