Unit 2 · Term 1 · Days 6–10

How neurons talk

The mystery

How can puffer fish poison paralyse a body?

0 of 5 lessons done

Lessons

  1. Day 6Neurons are tiny batteries
  2. Day 7Gates in the wall
  3. Day 8Chemical messengers
  4. Day 9Firing: all or nothing
  5. Day 10 · Boss levelgo or stop

Lessons unlock one a day. Every unit ends with a boss level that mixes everything you’ve learned.