Dig Out and Enrich: True or False Statements 1. A person with high production of melanin has dark skin. TRUE - Melanin is a pigment that gives skin its color. The more melanin a person produces, the darker their skin tone will be. 2. Absence of hair in the body can make a person feel extreme heat or cold. TRUE - Hair acts as insulation, helping to regulate body temperature. Without hair, the body is more susceptible to both extreme heat and cold. 3. Viruses and bacteria are unable to enter the body through unbroken skin due to the outermost layers of the epidermis. TRUE - The epidermis is the outermost layer of skin, and it serves as a barrier against pathogens. The tough, dead cells of the stratum corneum, the outermost layer of the epidermis, provide a physical barrier that prevents most viruses and bacteria from entering the body. Summary: All three statements are TRUE. Melanin production determines skin color, hair provides insulation, and the epidermis acts as a barrier against pathogens.