Homeostasis is the maintenance of a stable internal environment from "summary" of NCERT Exemplar Problems-Solutions BIOLOGY class 12th by Arihant Experts
The concept of homeostasis refers to the ability of an organism to maintain a stable internal environment, despite changes in the external environment. This process is essential for the survival and proper functioning of living organisms. Homeostasis helps in regulating various physiological processes such as body temperature, blood sugar levels, and pH balance. One of the key mechanisms involved in homeostasis is feedback loops. These loops involve a stimulus, a receptor, a control center, and an effector. When the internal environment deviates from the set point, the receptor detects the change and sends signals to the control center. The control center then initiates a response through the effector to restore the internal environment to its normal state. For example, in the case of regulating body temperature, when the body gets too hot, the sw...
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