Skin (Integument) External body covering Functions Insulation Protects Prevents water loss Temperature regulator Vitamin D Senses Layers Epidermis,
Lecture 2: Sources of DNA Evidence. DNA Biological evidence containing DNA Blood Semen Saliva Hair Bone Teeth Touch/trace 2.
Skin Appendages and Integument Function What are the major appendages of the skin? Sweat glands Sebaceous glands Hairs Nails.
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THE INTEGUMENTARY SYSTEM Skin and its Derivatives.
Ch 13 Personal Care. Skin 1.Protection 2.Temperature Regulation 3.Information Gathering What are the three functions of your skin? Largest body organ.
Integumentary System Dermis. 2 layers of skin Epidermis – Surface layer of skin.
Anatomy of Hair. This is a cross section of a hair showing all three layers
SEMINAR ON ALOPECIA Chairperson: Dr. Shahab Uddin Ahmed Chowdhury. Associate Professor & Head of the dept. Department of Dermatology, MMC. Speakers :
Chapter 2: Sources of DNA Evidence. DNA is located in cells which are the building blocks of the human body Two Types of cells: Sex Cells Somatic.
Hair Analysis SUPA Forensics What Exactly Is Hair? Typical mammalian hair consists of the shaft, protruding above the skin, and the root, which is.
The Integumentary System By: Me and Luciano. What is it? It is the system composed of hair, skin and nails. A system is an association of two or more.