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Unit 3: Transportation and Respiration

Students looking bored in class

Is There Too Much Carbon Dioxide in Your Classroom?

STEM Explained

Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?

Electronic cigarette and traditional cigarettes

Is Vaping Safer Than Smoking?

STEM Explained

Learn how e-cigarettes and other vaping products work, and why scientists and health professionals have concerns about their safety.

monster about to sneeze

How does snot work?

Hands-on Activities

Make some fake snot and explore the function of mucus in this fun activity.

How fast does a heart pump blood?

How fast does a heart pump blood?

Hands-on Activities

Get active in this activity and explore the impact of exercise on your heart rate. Ready, set, GO!

How much air do I breathe in?

How much air do I breathe in?

Hands-on Activities

Learn how to measure lung capacity and about the factors that can affect our lung capacity in this hands on activity.

Snake with open mouth

How Snake Venom Kills… and Saves Lives

STEM Explained

Snake venom can be dangerous for your circulatory system, nervous system or muscular system. But it can also be very useful in medicine.

aging through childhood, adulthood and old age

Have Scientists Found a Way for People to Live Longer?

STEM Explained

Everything and everyone ages. But scientists have made discoveries about our cells and circulatory and immune systems that could potentially one day be used to increase human lifespans.

Woman having a panic attack

Chemical Equilibrium and Panic Attacks

STEM Explained

Panic attacks are scary and they upset your body’s chemical equilibrium. Learn what happens to acids & bases in your circulatory system during a panic attack.

Cocoa beans and cocoa powder

Can Chocolate Make Your Brain Work Better?

STEM Explained

Researchers have found that consuming foods rich in flavanols is linked to more efficient blood flow, which can improve brain function.

heavy metal band

A Taste of Heavy Metal

STEM Explained

Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.

Jefferson Frisbee | Directeur et professeur du département de biophysique médicale de l'Université Western Ontario

Jefferson Frisbee

Career Profiles

Chair and Professor

Jefferson Frisbee is the a chair and professor for the Department of Medical Biophysics at the University of Western Ontario.