Grade 4 PE and Health (MAPEH 4) – Term 1 Week 5 Skin, Hair and Nails #matatag

Introduction to the Integumentary System00:00:01

An overview of the lesson objectives focusing on body awareness, specifically exploring the functions of the skin, hair, and nails.

Understanding the Skin00:01:18

Explanation of the skin's layers (epidermis, dermis, and hypodermis) and its vital roles, such as protection, temperature regulation, and sensory perception.

Skin Pigmentation and Safety00:03:21

Discussion on how melanin determines skin color and protects against UV radiation, along with the importance of the ABCDE mnemonic for identifying potential issues in moles.

Function and Structure of Hair00:06:55

Details on how hair provides protection, sensory input, and insulation, including the physiological reaction of goosebumps triggered by the arrector pili muscle.

Nails and Sweat Glands00:09:16

Analysis of the nail's role in protecting finger and toe tips, and a breakdown of eccrine versus apocrine sweat glands in thermoregulation and odor production.