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Interactive
Biology in Motion

Thyroid Gland and Negative Feedback

For Students 9th - 12th Standards
Many glands work together to control hormone levels in the body. The interactive focuses on the thyroid gland, pituitary gland, and the hypothalamus. It demonstrates the interconnections and feedback loops present in the endocrine system.
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Interactive
CK-12 Foundation

Homeostasis

For Students 7th - 8th Standards
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...
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Activity
It's About Time

How Might Global Warming Affect Your Community?

For Teachers 7th - 12th
What effects will global warming have on your community? This last installment of a six-part series focuses on the effects that global warming may have on a community. Brainstorming and discussion allow groups to independently develop...