About Melanoma of the Skin. Melanoma is a disease in which malignant (cancer) cells form in melanocytes (cells that color the skin). The skin is the body's largest organ. It protects against heat, sunlight, injury, and infection. Skin also helps control body temperature and stores water, fat, and vitamin D.bout Melanoma of the Skin. Melanoma is a disease in which malignant (cancer) cells form in melanocytes (cells that color the skin). The skin is the body's largest organ. It protects against heat, sunlight, injury, and infection. Skin also helps control body temperature and stores water, fat, and vitamin D.
Frederick Douglass has been called the father of the civil rights movement. He rose through determination, brilliance, and eloquence to shape the American nation. He was an abolitionist, human rights and women's rights activist, orator, author, journalist, publisher, and social reformer.
American civil rights leader the Rev. Martin Luther King Jr. is best known for his role in the African-American civil rights movement and nonviolent protests. His life's work has been honored with a national holiday, schools and public buildings named after him, and a memorial on the National Mall in Washington.