WAEC SSCE Health Science
Study notes for Homeostasis — part of the WAEC SSCE Health Science syllabus. 1 learning objectives with explanations and exam tips.
Your body works like a perfectly balanced market – everything must stay in equilibrium or problems arise. Homeostasis is how your body maintains stable internal conditions like temperature, water content, and blood sugar despite changes around you. Several physiological factors affect this balance. Temperature regulation happens through sweating when you're hot and shivering when cold. Your kidneys control water and salt balance by adjusting urine production. The pancreas manages blood glucose through insulin and glucagon hormones. Even hormones like adrenaline kick in during stress, affecting heart rate and breathing. Think of a Lagos student rushing to school in harmattan – their body sweats less because the weather is cool, but their internal mechanisms still work to maintain the right body temperature. These coordinated systems keep you functioning optimally whether you're playing football or sleeping.