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Unit B: Cells and Systems

Erica Dupuis montrant comment utiliser un stéthoscope à une jeune fille

Erica Dupuis

Cardiac Registered Nurse

Erica Dupuis is a Cardiac Registered Nurse for Horizon Health Network, NB.
Outdoor crime scene

You Be the Crime Scene Investigator

Lessons

Students will learn about crime scene investigation and its connections to cell biology and careers.

Labo de Heather McFarlane's

Heather E. McFarlane

Career Profiles

Assistant Professor & Canada Research Chair in Plant Cell Biology

Heather R. McFarlane is an Assistant Professor & Canada Research Chair in Plant Cell Biology for the University of Toronto.
Human kidney cross-section

Osmosis and Its Role in Human Biology and Health

STEM Explained

Learn how and where osmosis takes place in the digestive system and excretory system and the role of osmosis in kidney dialysis.

Coniferous and deciduous trees covered in snow

How Do Trees Survive in Winter?

STEM Explained

What adaptations and processes do trees in northern climates have to survive winter?

Tilia stem cross-section

Plant Cell Structures and Functions

Backgrounders

Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.

Leaf and the Sun

Plant Functions

Backgrounders

Learn about the important plant functions of photosynthesis, respiration and transpiration

Screen capture from video "The Wacky History of Cell Theory”

The Wacky History of Cell Theory

STEM Explained

It took several scientists building on each other’s discoveries to come up with Cell Theory - one of the cornerstones of biology.

Water droplets on succulent leaves

How Do Plants Survive in the Desert?

STEM Explained

Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.

Bread and wheat with a warning sign

Celiac Disease: When You Really Need to Stay Gluten-Free

STEM Explained

Celiac disease is an autoimmune disorder. Gluten triggers an immune system response, seriously affecting nutrition.

What is in blood?

What is in blood?

Hands-on Activities

Make a model of blood and learn about the function of each of the parts that makes up blood.

Students studying outdoors on grass

The Benefits of Going Outside

STEM Explained

Spending time outside has important physical and psychological benefits. It can even help you learn better!

Former Canadian astronaut Robert Thirsk enjoys cycling on board the ISS

Spaceflight and Bone Loss

STEM Explained

Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.

Replica of the earliest wooden model stethoscope

Stethoscope Replica

Interactives

Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!

young man smoking hookah

Is Hookah Smoking Dangerous?

STEM Explained

Many people believe that hookah smoking is safer than cigarette smoking. But in fact, hookah smoking can be even more harmful to your health!