Untamed Science
Untamed Science: Biology: Human Biology
Learn about the basic organization of the body's organs and the major organ system.
CK-12 Foundation
Ck 12: Biology: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] Introduces cells, tissues, organs, and organ systems in the human body.
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]
National Cancer Institute at the National Institutes of Health
Seer Training Modules: Introduction to the Nervous System
Self-guided learning activity where students learn about the structure and function of the human nervous system. There is a short quiz at the end of the lesson to check for understanding.