HS-LS1-3

Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.

More Stories in HS-LS1-3

  1. Brain

    Sleep may jumpstart the brain’s power washing system

    Waves of fluid wash into the human brain during sleep. That’s good. They just may help clean out toxic proteins.

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  2. Animals

    Blood vessels in their heads kept big dinos from overheating

    Giant dinosaurs evolved several ways to cool their blood and avoid heatstroke.

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  3. Health & Medicine

    Ultrasound might become a new way to manage diabetes

    Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.

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  4. Health & Medicine

    Explainer: What is the vagus?

    The vagus nerve runs from the brain all through the body. It controls many basic functions, including how fast the heart beats.

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  5. Health & Medicine

    Owww! World’s hottest chili leads to days of severe headaches

    A man ate one of the hottest peppers in the world. About a minute later, his head began pounding. See why they didn’t permanently disappear for days!

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  6. Health & Medicine

    Obesity makes taste buds disappear — in mice, anyway

    Mice that gained excessive weight on a high-fat diet also lost one in four taste buds.

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  7. Animals

    Scientists Say: Extremophile

    Some species can survive high heat, freezing cold or other extreme environments. Scientists call these organisms extremophiles.

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