Skip to content
Science

The Human Body

13 lessons · topologically ordered (prerequisites first).

  1. 1
    How Breathing Works
    Ages 5–7 · med
  2. 2
    The Heart & Blood
    Ages 5–7 · med
  3. 3
  4. 4
    Bones & Muscles
    Ages 5–7 · med
  5. 6
    Basic Body Needs
    Ages 5–7 · med
    • The Heart & Blood (soft)
    • How Breathing Works (soft)
  6. 7
    Cells, Tissues & Organs
    Ages 7–9 · med
    • The Heart & Blood (soft)
    • The Brain Controls the Body (soft)
    • How Breathing Works (soft)
  7. 8
    The Five Senses
    Ages 5–7 · med
    • The Brain Controls the Body (soft)
  8. 9
    Naming Major Bones
    Ages 7–9 · low
    • Bones & Muscles (hard)
  9. 11
    • Basic Body Needs (hard)
  10. 12
    The Digestive Journey
    Ages 7–9 · med
    • Basic Body Needs (hard)
  11. 16
    How the Eye Works
    Ages 7–9 · med
    • The Five Senses (hard)
    • The Brain Controls the Body (soft)
  12. 17
    How Muscles Move Bones
    Ages 7–9 · low
    • Naming Major Bones (soft)
    • Bones & Muscles (hard)
  13. 19
    Types of Teeth
    Ages 7–9 · low
    • The Digestive Journey (soft)