Thermoregulation class 12 chapter 1 by irtisam biology new Book

Assalamualaikum everyone! Welcome back to Irtisam's Biology. In today’s lecture, we are diving deep into Thermoregulation (Temperature Regulation), a crucial section of Chapter 1: Homeostasis from the New Class 12 Biology Book. Maintaining a stable internal temperature is absolutely vital for cellular metabolism, enzyme function, and overall survival. Whether you are preparing for your Class 12 Board Exams (Punjab, Federal/FBISE, KPK, or Sindh boards) or gearing up for the MDCAT, this conceptual, easy-to-follow lecture is designed to build your foundation and help you secure maximum marks! #Class12Biology #Thermoregulation #IrtisamsBiology #Homeostasis #FScBiology #BiologyNewBook2026 #MDCAT2026 #BISE #BiologyLectures