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Presents three key biological concepts about homeostasis: controlling body temperature, controlling water level, and controlling blood sugar. Each concept is illustrated with a variety of experiments and computer animation to illuminate what is happening both visibly and at the molecular level.
(Source: DCMP)
Homeostasis is the tendency of biological systems to maintain relatively constant conditions in the internal environment while continuously interacting with and adjusting to changes originating within or outside the system. In this episode, Pinky and Petunia explore the relationship between homeostasis and feedback loops. Part of "The Amoeba Sisters" series. Please note this title includes a discussion on childbirth.
Homeostasis refers to the body’s ability to maintain a stable internal environment, and maintaining homeostasis requires that the body continuously monitors its internal conditions. From body temperature to blood pressure to levels of certain nutrients, each physiological condition has a particular set point. Topics covered include homeostasis, negative feedback loop, nervous system, endocrine system, digestive system, excretory system, musculoskeletal system, and the immune system. Part of the "Biology" series.
What physiological changes happen as animals hibernate? During hibernation, animals lower their metabolism including respiration, heart rate, and temperature in order to conserve energy. This episode shows the relationship between regulating life-sustaining functions and maintaining homeostasis. Part of the "Seasonal Science" series.
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on negative feedback loops and their role in maintaining homeostasis in organisms. Part of the Science Video Vocab series.
Contains 8 segments: "Matter and Energy for Life," "Ecosystems," "Populations," "Homeostasis: The Body in Balance," "Inheritance," "Behavior and the Nervous System," "Biodiversity," and "The Biosphere." Students have opportunities to become involved in hands-on activities. Supports the learning of key concepts in biology in tandem with the textbook also offered by the publisher.
Uses the extremes of temperature that occur in a day's skiing to show the range of mechanisms through which the human body maintains a steady internal temperature and protects its vital organs, such as shivering, hair erection, and rerouting of blood supplies to conserve heat. Increased blood flow to the body surface, sweating, and panting to lose heat is also reviewed. NOTE: Contains some nudity.
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Biology related concepts
A collection containing 59 resources, curated by Benetech
