Instructional Video2:52
Visual Learning Systems

Healthy Digestive and Excretory Systems: Eliminating Body Waste

9th - 12th
This program reviews what our body does with the food we consume, and covers the major digestive organs and processes. The fundamental processes by which the body disposes of various types of wastes via the excretory system are also...
Instructional Video5:30
Curated Video

Making Inferences about a Population Using Random Samples

K - 5th
In this lesson, students will learn how to use random sampling to make inferences about a population with an unknown characteristic. They will understand the importance of having a representative sample and the limitations of making...
Instructional Video1:32
Visual Learning Systems

Healthy Digestive and Excretory Systems: Problems of the Excretory System

9th - 12th
This program reviews what our body does with the food we consume, and covers the major digestive organs and processes. The fundamental processes by which the body disposes of various types of wastes via the excretory system are also...
Instructional Video1:13
Visual Learning Systems

Healthy Digestive and Excretory Systems: Caring for the Excretory System

9th - 12th
This program reviews what our body does with the food we consume, and covers the major digestive organs and processes. The fundamental processes by which the body disposes of various types of wastes via the excretory system are also...
Instructional Video2:59
Visual Learning Systems

Exploring the Digestive and Excretory Systems: What Is Excretion?

9th - 12th
This series of videos takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology...
Instructional Video2:36
Visual Learning Systems

Natural Resources: You and Natural Resources

9th - 12th
Everyday we use many natural resources from Earth. This engaging program highlights some examples of ways we use natural resources. Differences between renewable and nonrenewable resources are also investigated.
Instructional Video2:07
Visual Learning Systems

The Importance of Excretory Organs

9th - 12th
This video provides a basic understanding of the excretory system in humans, focusing on the kidneys, liver, and skin. The importance of these processes for maintaining a healthy body is highlighted, along with the role of perspiration...