Chapter-4 || Homeostasis || feedback Mechanism || Physiology in Hindi

In this video, we explain Homeostasis, one of the most important concepts in Human Physiology. This lecture is made to help you understand what homeostasis is, why it is necessary, and how the body maintains a stable internal environment despite continuous external and internal changes.

Homeostasis is the ability of the body to maintain constant internal conditions such as body temperature, blood glucose level, blood pressure, pH, water balance, and electrolyte balance. This stability is essential for normal function of cells, tissues, and organs.

This topic is extremely important for MBBS, NEET, Nursing, Paramedical, BSc Biology, and all competitive exams because homeostasis is the base of many physiology chapters like blood & body fluids, respiration, circulation, renal physiology, endocrine system, and nervous system.

🔍 Topics Covered in This Video

✅ Definition of homeostasis
✅ Importance of homeostasis in human body
✅ Components of control system

Receptor (sensor)

Control center (integrator)

Effector
✅ Feedback mechanisms

Negative feedback (most common)

Positive feedback (rare but important)
✅ Examples of homeostasis

Thermoregulation (body temperature control)

Blood glucose regulation (insulin & glucagon)

Blood pressure regulation

Water and electrolyte balance
✅ Concept of set point and normal range
✅ Clinical relevance (brief)

This video is explained in a simple and conceptual way, so you don’t just memorize—you understand WHAT happens and WHY it happens.

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