The Respiratory System - How it Works?

The procedure for constructing a working model of the respiratory system is revealed in this resource. A wonderful approach would be to have biology learners work in pairs to create a model and write the suggested paragraph explaining...

Written for a college-level human biology course, this worksheet provides an in-depth review of the respiratory system. Twenty-two questions are available for learners to answer, covering everything from respiratory structure to...

Trying to plan a lesson on the respiratory system? Then take a deep breath, because this presentation has you covered. From the atmosphere through the lungs and blood to the body's cells, this presentation investigates the complex series...

Explore the evolution of the respiratory system with a video that shows the anatomy of the system, how each part plays a role in inhalation and exhalation, and then moves into how the system works in the human body. 

The ins and outs of breathing are explained in this fresh film. Simple and straightforward narration accompanies colorful animation to show how breathing is controlled and how it can be altered. This would not only be useful during a...

When at rest, humans exhale about 17.5 ml of water per hour, but they lose about four times that amount during exercise. The video shows learners how worms, insects, fish and humans all respire very differently. Viewers then explore the...

See how to build a simple motor with just seven materials. The process is sped up so you may want to watch and write out directions before showing your class. The explanation for why it works is then given. A few questions are shown at...

The human immune system doesn't always prevent us from getting sick, so what is it doing? Young scientists watch a short video explaining what the immune system is and how it works. Then, they answer eight questions to prepare for an...

What started out as a simple experiment about vacuums, turned into one of the most useful tools for predicting weather. Learn about the circumstances surrounding the invention of the barometer and the scientific principals that it...

What makes a clock tick or a bulb light up? The concept of work is explained to a backdrop of clever animation. Physics fans learn that the amount of work equals the product of the force and distance, and that the rate equals the amount...