Popular food dyes Red 3 and titanium dioxide are in everything from toothpaste to your strawberry milk. But multiple U.S. states and the EU are trying to ban them. Are they safe?<br/>

Microscopic air sacs in the lungs where gas exchange takes place between blood and the atmosphere.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

Marine mammals like dolphins, seals and whales can hold their breath far longer than humans. How do they do this?



Biology - Human Body - Learni

ng Points.

Underwater mammals, such as humpback whales, can...

By the end of this learning object, the student will be able to: Summarize the main points on the human respiratory system.13553

The Respiratory System plays a major part in our survival and works hand in hand with the Circulatory System.

Respiration for the body can not happen without the circulation of the blood driven by the cardiovascular system. Simply...

Wai Lana shows you how to squeeze and stretch built-up tension from your shoulders and upper back. You’ll improve your posture as an added bonus.

In this video, I explain and demonstrate how to perform three stretches for the inspiratory muscles: the thoracic diaphragm and the intercostal muscles.

In this video, we explore the anatomy and functions of a the thoracic diaphragm, the major muscle of inspiration/breathing. More specifically, we cover its origin, insertion, innervation, action, blood supply, and clinical significance.

In this video, we explore the functions and course of both the L and R Phrenic nerves along with the effects on the diaphragm for spinal cord injuries involving C3, C4, and C5 nerve roots.

This breathing technique calms nerves and purifies and oxygenates the blood.

Sulbutamol (commonly known as albuterol) is a common bronchodilator used to treat asthma. In this video we will look at how this drug interacts with smooth muscle cells. We'll also learn how muscarinic receptor antagonists...

In this video, I explain and demonstrate how to use an inspiratory muscle trainer, a common modality to help strengthen the thoracic diaphragm and the intercostals.

Headstand is best learned step by step, with the aid of a wall. Boat strengthens abs, Locust strengthens the spine, and Easy Wheel works on arms, thighs, and buttocks.

Rubbing alcohol, also known as isopropyl alcohol, is a common topical sanitizer. It's used to clean surfaces and wounds, among other things. Explore the chemical properties of rubbing alcohol.

This live-action video program is about breathing. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated graphics...

This video provides a comprehensive overview of helium, covering its properties, discovery, and various applications. It explains how helium's unique characteristics make it ideal for cryogenic purposes, such as preserving food and...

This live-action video program is about breathing. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated graphics...

In this video, we will discuss the physics, mechanisms, and muscles that allow us to perform quiet breathing (both inspiration and expiration)<br/>

In this live-action program viewers will learn that oxygen is necessary for life and is used to create energy in cellular respiration. Students will come to understand Cellular respiration is required for life, and breathing, which is...

In this live-action program viewers will learn that the respiratory system is an integrated set of organs involved in the intake and exchange of respiratory gases. Students will come to understand the respiratory system includes the...

ChatGPT is making generative AI a household name. Beyond all the debate about content creation, it’s also disrupting health and science, but for the better?

Advocates say Ontario is far behind when it comes to addressing the growing number of drug users in the province who are inhaling, rather than injecting. As CBC's Naama Weingarten explains, researchers say it's been a growing trend for...

As users turn toward smoking instead of injecting hard drugs, the number of glass pipes recovered on Ottawa’s streets has begun surpassing the number of needles.

Most of us know that smoking is bad you’re your health. But as Scott reports, cigarettes contain a chemical that makes smoking particularly harmful to teens.