As I walked past a high school bio class last week I noticed that the kids were literally bouncing. They were out of their seats, jumping up and down, and running around the classroom. Thinking something was amiss, I walked into the classroom to see what was going on. It was only then that I noticed the kids with thermometers in their mouths, those hooked up to blood pressure machines, those taking their pulse, and those furiously scribbling data on their worksheets. It turns out I had walked into a skillfully orchestrated lab in which Dr. Soellner was teaching our boys (she had done the same thing with our girls earlier that morning) about homeostasis by having them measure their blood pressure, heart rate, and temperature before and after exercising in order to demonstrate the human body's capacity to adjust to new circumstances.
Here's a glimpse at what it looked like: