Every living thing has to breathe, find food, move things around its body and hold itself up, but each one solves the same problems in very different ways. Pick a living thing, then tap a body system. Tap the numbers on the picture to read more.
Tap the same system again to see the whole body · A dashed system is one this living thing does not have. Tap it to find out why
Compare them with your own body too. Tap a system above and its row lights up in the table.
Tap a label, then tap the box of the living thing you think it belongs to
Every question from this lesson is in the Body 101 arena. Race the clock, duel someone at home, play as a team, beat the bosses, or practise with no timer at all.