Khan Academy: Human Body Systems: Homeostasis

Human biology beginners label colorful diagrams of the neuron, the reflex pathway, and the brain. They list steps in the action potential process, and describe several different neurotransmitters. This worksheet guides learners through...

In cooperative groups, middle schoolers contemplate the probability of 18 different situations occurring. After they make predictions, they compare them to the actual risk factors. This eye-opening exercise demonstrates that the odds of...

A slide for each major organ of the human digestive system has been collected for this compact presentation. On each slide are bullet points listing characteristics and functions of an organ. The slides are plain white with a single,...

A collection of interactive, self-checking quizzes on human body systems. Covers muscular, skeletal, circulatory, nervous, and respiratory systems.

A learning module that is "designed to give you basic information needed to build a foundation that will allow you to have a better understanding of many human biology concepts. You will understand how organisms are classified, get an...

Understand the difference between self and non-self immunity. [14:28]

What do you know about the different human body systems? This site features information on each of the different systems. Students and teachers will benefit from this comprehensive resource.

Detailed virtual images of the human body broken down from general anatomy into the specific systems. An interactive opportunity allows for 3D views and overlapping sytems to understand how they work together.

Learn about the basic organization of the body's organs and the major organ system.

Learn about hemoglobin and its role in the circulatory system.