Homeostasis, Hormones, and the Menstrual Cycle [IB Biology SL/HL]

This video is about homeostasis, hormones, and the menstrual cycle. We will look at why homeostasis is so important, including the difference between negative and positive feedback. The video will also explore the endocrine system, with an overview of blood glucose regulation, control of appetite, metabolism regulation, control of sleep-wake cycle, and the menstrual cycle.

Part of the IB Biology SL & HL course in Theme D.

0:00 - Introduction
0:18 - Homeostasis
1:15 - Negative Feedback
1:36 - Positive Feedback
3:01 - Co-Ordination of Homeostasis
3:32 - The Endocrine System
4:02 - Blood Glucose Regulation
5:36 - Thyroxin
6:43 - Leptin
7:38 - Melatonin
8:29 - Menstrual Cycle
11:02 - Summary

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