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Integumentary system
The integumentary system consists of the skin, hair, nails, and glands. The skin is composed of three layers - the epidermis, dermis, and subcutaneous tissue. The epidermis is made of stratified squamous epithelium and provides a protective barrier. Below the epidermis lies the dermis, a vascular connective tissue layer. Below the dermis is the subcutaneous tissue. Skin appendages include hair, nails, and glands that secrete substances like sebum. The integumentary system functions to regulate body temperature, prevent fluid loss, provide immune protection, produce vitamin D, and allow for sensation.
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Introduction to the integumentary system as the largest organ, composed of skin, hair, nails, and glands.
Detailed explanation of the skin's structure, including epidermis, dermis, subcutaneous tissue, and their layers.
Description of skin appendages including hair and nails, their growth rate and structure.
Overview of sebaceous and sweat glands, their functions, secretion, and relation to sex hormones.
Functions of the integumentary system, including temperature regulation, immune response, sensation, and excretion.
Various protective and sensory functions of hair on the body.
Ending the presentation with a thank you note.