Cardiovascular and respiratory systems for sport

What you'll learn

1. 1

   Your heart is a pump that pushes blood around your body — like a water pump in a fish tank! 🐟

2. 2

   What does your heart do? ❤️

3. 3

   Here's a simple picture of the heart and lungs. Blood goes from the heart to the lungs to pick up oxygen, then back to the heart to be pumped to your body.

4. 4

   Let's trace the path of one red blood cell through the cardiovascular system. 🩸

5. 5

   Drag the blood cell along the correct path: heart → lungs → heart → body.

6. 6

   Where does blood pick up oxygen? 🫁

7. 7

   The respiratory system is the lungs and airways. When you breathe in, oxygen goes into your blood. When you breathe out, you get rid of waste gas (carbon dioxide). 🫁

8. 8

   Why do you breathe faster when you run? Let's work it out. 🏃‍♂️