Anatomy and physiology — cardiovascular system

What you'll learn

1. 1

   Imagine your heart is a super-strong pump about the size of your fist. It squeezes and relaxes to push blood around your body!

2. 2

   Your heart has 4 chambers — like 4 rooms in a house. The top 2 are atria (receiving rooms), the bottom 2 are ventricles (pumping rooms).

3. 3

   Let's trace the path of blood through the heart — one drop's journey!

4. 4

   Which chamber pumps blood to the body?

5. 5

   Drag the labels to the correct chambers on this heart diagram.

6. 6

   What is the main job of the heart?

7. 7

   Great work! The heart pumps about 5 litres of blood every minute — that's like filling 10 big water bottles!