Here They Are: Your Body Systems (Part 1)

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Presentation transcript:

Here They Are: Your Body Systems (Part 1)

And Your Body Systems (Part 2)

Your Integumentary System Main Organs: skin, hair, and nails

Main Functions of the Integumentary System 1) covers your body and prevents the loss of water 2) protects the body from injury and infection 3) regulates body temperature 4) eliminates wastes 5) gathers information about the environment 6) produces vitamin D The skin is organized into two main layers, the epidermis and the dermis.

 Functions include:  Protects against sunburns from UV rays  Stores fat for fuel and insulation  Sensory organ with receptors for touch, pressure, pain, heat, and cold

Functions include: Regulates body temperature through sweat and regulating peripheral blood flow Removes waste from the body through perspiration Generates vitamin D through exposure to UV light

Composed of skin, hair, sweat glands, and nails The name is derived from the Latin integumentum, which means “a covering.” The skin, considered the largest human organ, covers the body. The hair covers the head and other parts of the body. The nails cover the tops of the fingers and toes

Hair is composed of strong, dead protein called keratin. This same protein makes up the nails and outer layer of skin. Most of the keratin people interact with is dead. The body sheds the old cells as new cells push up from underneath.