Investigating the effects of temperature on the contraction rate of thel blood vessel in the Ragworm

title: Investigating the effects of temperature on the contraction rate of the dorsal blood vessel in the king ragworm. – use : As water temp increases heart rate contraction (increase-decrease) – graph of (time – contraction) – the worm has changed because it got chopped – 60° couldnt be repeated because the worm has died