After adding the H2O2 to the liver in test tube #1, there were large bubbles, the liver became a duller red color, the bubbles rose fairly high, and the liquid in the test tube turned a reddish color. After adding the H2O2 to the liver in test tube #2, there was a slower reaction than the first one, smaller bubbles that were more like fizz, and the majority of the fizz was surrounding the liver. After adding the H2O2 to the liver in test tube #3, the bubbles were smaller and more compact than the previous two test tubes, there was a lot of fizz at the bottom near the liver, and the reaction was very quick compared to the prior two. After adding the H2O2 to the liver in test tube #4 there were small bubbles that looked mostly like fizz, the