[Free Registration/Login may be required to access all resource tools.] Did you know that you see the largest organ in your body every day? You wash it, dry it, cover it up to stay warm, and uncover it to cool off. Yes, your skin is your...

[Free Registration/Login may be required to access all resource tools.] Describes the layers and functions of the skin, and explains what you can do to help keep your skin healthy.

Understand the structure and function of the human skin.

This lesson plan features activities that investigate four functions of skin.

[Free Registration/Login may be required to access all resource tools.] Discusses the structure and functions of the hair and nails.

In the following lesson plan students will compare and contrast their own skin (including its surface area) with that of an orange. Student sheets are provided in English and in Spanish.