Student Project Figures Figure 5 Displays the speed of blood flow (measured from the middle of each directional change) over the three minute periods recorded, at three different temperatures. Speeds displayed as positive are flowing towards the polyp and speeds displayed as negative are flowing away from the polyp. a) is Colony 1, b) is Colony 2, c) is Colony 3, d) is Colony 4 and e) is Colony 5. Figure 5 Figure 6 Figure 7 Figure 8 Figure 9