Body Systems Team-Up
Level 1 · Learn It
1. Learn It
2. Try It
3. Quiz Me
Your body is a team of systems that work together every second.
The heart pumps blood (circulatory), the lungs bring in oxygen (respiratory), and the brain sends messages (nervous).
Bones give you shape and protection, and muscles pull on bones so you can move.
Ready? Let's try one together — I'll explain every answer.