Question Answer
integumentary system includes all the external coverings of the body, including skin, nails, and hair
epidermis the outermost layer of skin and the only layer in direct contact with the ouside environment
melanin a pigment that protects the body by absorbing some of the Sun's damaging ultraviolet rays
dermis a thick layer of skin that gives skin strength, nourishment, and flexibility
bruise an injury where blood vessels in the skin are broken, but the skin is not cut or opened
skin the largest organ of your body
Sc 7 The Skin Science 7 Lesson 3 The Skin

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