Unit 4: Body Systems

How does your brain allow you to do and experience so much? It’s all because of the building blocks of your brain - neurons!

The human brain has many different parts. Each one plays a different function. But they all work together to manage complex thoughts, feelings and behaviours.

Consuming sugary foods and drinks activates your brain’s reward system - the same system that can cause addiction.

Information about cavities, plaque, tartar, gingivitis and how to keep teeth healthy.

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

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.

What is a reflex? Test your reaction time and find out why reflexes are important in this challenge activity.

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

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

Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.

5 images of some work that a dietitian might do such as educating patients about how food affects their health