New ReviewAlmost one fifth of your weight is in your skin, but why does it weigh so much? Viewers learn about the integumentary system and the many functions it performs constantly to keep them safe. Then, they answer multiple choice and...

New ReviewThe human body maintains homeostasis through the interconnection of multiple systems. Young scientists match these connections and discuss how they relate to each other. They apply their knowledge to solve the mystery of a treasure hunter.

Use apples as a way of thinking about models. Young scientists consider how the word apple, a two-dimensional drawing, a three-dimensional image, a photograph, and plastic apples all model real apples in preparation for developing models...

Watch a video that explains the loopy process medicine goes through as it is swallowed and how it reaches the bloodstream.

What does digestion have to do with aerobic respiration? Watch a video that explains the processes and systems in our bodies that allow oxygen to travel throughout.

Explore human anatomy and physiology using models. Scholars study systems of the human body and design a display for a museum exhibit. To complete the activity, individuals create analogous models of their chosen human body systems.

We are all different, yet have essentially the same body temperature. The video explains why 37 is the magic number. It details the impact of temperature on fungus and viruses. It also mentions what happens if your temperature goes too...

Your body makes many chemicals that allow the complex systems to operate, but did you know this includes formaldehyde, hydrochloric acid, hydrogen peroxide, and ammonia among others? Find out about 10 chemicals your body makes in a video...

Human eyes have a tear film that covers them and helps clear away the dust that would otherwise impede your vision. The video explains what happens when the eyelid doesn't open and close enough to clear away the dust, like when you are...

What might happen if a body encounters the vacuum of space? Through multiple experiments and a couple of real-life accidents, we know more about how a person would die — and it doesn't look nearly as dramatic as science fiction would...

Most animals that show a paw preference are split 50/50 with half of the population preferring one side and the other half preferring the other, yet in humans only 10 percent are left-handed. The video explains what part of the brain...

Do deodorants and antiperspirants cause breast cancer? Check out an informative video to determine the legitimacy of the stinky rumors.

For most of history, people did not know what blood did or how it was created, which made the idea of putting blood into a person sound ludicrous. After years of science, and many extremely negative reactions, scientists have found a way...

Though UV radiation can damage skin, it isn't all bad. The third installment in a six-part series allows the class to study the structure and function of skin. They learn about the different types of skin cancer and the SPF rating...

Gravity is just one consideration when determining human habitability on a new planet. The lesson connects four different units and starts with connecting the various systems: planetary systems, human body systems, etc. After scholars...

How have we become what we've become? The presentation slides explain the process of evolution from a body plan viewpoint. They describe the evolution of each body plan including body symmetry, embryological development, cephalization,...

An informative video offers a brief overview of the 11 systems in the human body. It gives a brief description of each before pointing out their interdependence. 

A variety of activities spark discussion and encourage creative and critical thinking in a unit designed to inform kindergarten through fifth grade scholars about human growth and development. Each grade level is presented with five...

Explore the circulatory system with a cardiovascular pump activity that promotes discovery and discussion as class members create a functioning model of the heart. Continue the learning process through a web quest showcasing the body's...

Discover how the human body's digestive system works with a brain and stomach friendly activity. Scholars taste test a variety of foods to find out how they behave once in the mouth. Class members then play a game called Move That...

How do muscles move bones? Find out using a built-in-class model. Pupils construct a hand model with paper and string, then follow a series of directions to explore the movement process. Discover additional information about the muscular...

Which muscle movements are beyond your control? Learn about voluntary and involuntary muscle movements with a reading comprehension activity. After reading about the benefits of keeping their muscles healthy, third graders answer six...