Ambient temperature drives body temperature toward it. Freezing point depends on glucose. Below the freezing point, ~65% of body water crystallizes between cells and the heart stops — above it, the frog thaws and its heartbeat resumes. H — panel, Space — pause
Active — foraging 🐛
Body temp 4.0°C
Freezing point -2.8°C
Ice fraction 0%
Heart rate 31 bpm
Freeze cycles survived 0
Sim time 0:00
Liver glycogen dumps glucose into the blood within minutes of the first ice crystal touching the skin — this is the cryoprotectant that limits how much water each cell loses.