Try to inflate a cellulose and use an arduino and a heart rate sensor to control the inflating action. By controlling different inflation and deflation time, the cellulose can simulate the sensation of breathing and heartbeat.
Try to use the layering method to apply a second layer of color with a new kapton after the first layer of E.coli has already showed up the color.
Formed mycelium into small blocks and stacked them up into an architectural model.