Homeostasis
Organisms maintain “”stable internal conditions”; same body temperature, water level in cells/hydration, and blood sugar level.
Homeostasis is the maintenance of a stable internal environment in living organisms. It involves active regulation of factors such as body temperature, pH levels, blood glucose levels, and electrolyte concentrations. The body continuously works to maintain equilibrium internally through various physiological mechanisms and feedback control systems.
For example, if body temperature rises, the hypothalamus in the brain sends signals to sweat glands to release sweat, which cools the skin through evaporation. Additionally, blood vessels in the skin dilate to allow for greater blood flow, further facilitating heat loss. Conversely, if body temperature falls, the hypothalamus sends signals to muscles to contract and shiver, generating heat.
Other examples of homeostatic mechanisms include the regulation of blood glucose levels through insulin and glucagon, pH balance through buffers in the blood, and electrolyte concentrations through the regulation of salt and water levels in the body.
Overall, homeostasis is critical for maintaining optimal bodily function and preventing illness or injury.
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