Homeostasis Flashcards
(10 cards)
What is homeostasis?
The body’s ability to maintain a stable internal environment despite external changes.
Why is homeostasis important?
It keeps cells functioning properly by regulating temperature, blood sugar, pH, and water balance.
What happens if body temperature rises above 37°C?
The body activates cooling mechanisms like sweating to return to normal.
Give three examples of homeostasis.
Temperature regulation, blood sugar control, and water balance.
How does the body cool itself when it’s too hot?
By sweating, which helps lower body temperature through evaporation.
How does the body generate heat when it’s cold?
By shivering, which produces heat through muscle activity.
How is blood sugar controlled after eating?
The pancreas releases insulin to lower blood sugar.
What happens when blood sugar drops too low?
The pancreas releases glucagon to raise blood sugar.
How do the kidneys help regulate water balance?
By adjusting urine output based on hydration levels.
What can happen if homeostasis is disrupted?
It can lead to disease or organ failure.
