The integumentary system is an organ system consisting of the skin, hair, nails, exocrine glands, and sensory nerves. what reinforces and protects the ends of the digits and are used for scraping and manipulating small objects? a) dermis b) epidermis c) hair d) nails

Which of the following diseases may be transmitted through an accidental needle stick? a. syphilis b. tuberculosis c. cellulitis d. hepatitis b

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Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs