12th Biology Chapter 01 | Thermoregulation Complete Lecture 5 | Punjab Board New Book 2026

Welcome to this 12th Biology lecture based on the Punjab Board New Book 2026. In this video, we cover Chapter 01: Homeostasis with a complete explanation of Thermoregulation (Lecture 5). Every topic is explained in a simple and easy-to-understand way, making it perfect for FSc Part 2, Board Exams, and Entry Test preparation. 📚 Topic Covered: Thermoregulation Regulation of Body Temperature Mechanisms of Heat Gain & Heat Loss Importance of Homeostasis Punjab Board Biology New Book 2026 👍 Like, Share & Subscribe for more Biology lectures. #12thBiology #Thermoregulation #Homeostasis #PunjabBoard #BiologyLecture #FScBiology #NewBook2026 #Class12Biology #Biology2026 #BoardPreparation #Lecture5 #BiologyPakistan #Education #StudyWithMe #BiologyClass