Never let them see you sweat ... unless you can't help it! Scholars design an experiment to determine the effects of stress on the body. They monitor sweat production under different conditions and relate the response to the function of...

How much negative feedback does a body get daily? The interactive walks through one negative feedback loop, increasing body temperature. Then it challenges scholars to relate this to mechanical feedback loops and disorders that prevent...

What's the difference between hibernation and a good nap? Find out with an engaging life science activity that compares the hibernation habits of grizzly bears and marmots. After learners read an informational passage about each mammal,...

Learners are taught how enzymes enable chemical reactions to occur a body temperature and how the lack of enzymes in the body can cause problems in the break-down and absorpion of nutrients. They match up different enzymes with the...

The innovative resource investigates endothermy and ectothermy. Students compare body temperature of a snake and rat before and after exposure under a heat lamp. The activity has an interactive online version and a printable data sheet.

Discusses the methods the human body uses to regulate body temperature. Includes links to the four external heat transfer mechanisms (radiation, conduction, convection, and evaporation of perspiration).