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1-3: Homeostasis
feedback mechanisms maintain homeostasis.
| Term | Definition |
|---|---|
| feedback mechanisms | Processes that help the body maintain balance by adjusting its functions based on changes, like a thermostat controlling temperature. |
| internal conditions | The state of the inside of the body, including things like temperature, pH levels, and nutrient levels. |
| behaviors | Actions or reactions of an organism in response to its environment, like moving towards food or away from danger. |
| external conditions | The state of the environment outside the body, including temperature, humidity, and light. |
| positive feedback | A process where a change in the body causes an increase in that change, like blood clotting where more clotting factors are produced to stop bleeding. |
| negative feedback | A process where a change in the body triggers a response that counteracts that change, like sweating to cool down when you're hot. |
| heart rate | The number of times the heart beats per minute, which can change based on activity level and emotions. |
| stomate | Small openings on the surface of leaves that allow gases like oxygen and carbon dioxide to move in and out of the plant. |
| moisture | The presence of water in the environment or in the body, which is important for hydration and various biological processes. |
| temperature | A measure of how hot or cold something is, which affects the body's functions and the environment. |
| root development | The growth and formation of roots in plants, which help anchor the plant and absorb water and nutrients from the soil. |