Open Curriculum
Open Curriculum: Immune System: Nonspecific Defenses
Students will be able to describe mechanical, chemical, and biological barriers that keep most pathogens out of the human body.
University of Groningen
American History: Outlines: Basic Ingredients of the Us Economy
Every economic system tries to anticipate and then meet human needs through the production and distribution of goods and services. The economic system is the mechanism that brings together natural resources, the labor supply, technology,...
Other
Introductory Anatomy: Respiratory System
Here, you will find an introduction to the parts and functions of the respiratory system. In addition to learning about how the respiratory system works to keep you healthy, you will also read about problems that impede the breathing...
TeachEngineering
Teach Engineering: Do You Have the Strength?
In this activity, students squeeze a tennis ball to demonstrate the strength of the human heart. Working in teams, they think of ways to keep the heart beating if the natural mechanism were to fail. The goal of this activity is to get...
PBS
Pbs: A Science Odyssey
Website for the PBS series "A Science Odyssey." Numerous opportunities to explore the people and discoveries of science.
Other
Footprints Science: Breathing
This animation illustrates how the diaphragm and muscles around the rib cage work to facilitate inhaling and exhaling.