PredictTestExplainReviseDefendTransfer0/5 evidence steps
grades K-2
grades 3-5
grades 6-8
grades 9-12
Molecule
Cell
Organism
Population
Ecosystem
It is never on the line
Drag the person somewhere colder or hotter. Watch what their body does about it.
Close to the line, and still not on it. Watch the number — it never settles exactly.
what the body is spending
shivering and holding blood inward0.00
The bar has an end. When it reaches it, the body is doing everything it can.
The set point is drawn but cannot be dragged. If you could move the target, the gap would mean nothing.
sensor readout — what the controller sees
deviation: -1.3 mg/dL
The controller cannot see the value. It sees the gap.
effector output
Output: 0.000 · Ceiling: 1.6
the effector, embedded — this row is Cell World's
| solute | in cell | in blood | net flux | held by |
|---|
| glucose | 4.0 | 89 | in 0.34 | no pump -- insulin raised permeability to 0.004; downhill, free |
Insulin pumps nothing. It opens the door, and the glucose walks downhill for free.
claim workspace — typed sockets
seed:5042Every draw is seeded and logged — any run is reproducible.
No moves yet -- predict before you run.