★ Integumentary System Quiz
Exposure to ultraviolet light darkens skin by synthesizing:
A. Karotene
B. Hemoglobin
C. Melanin
D. Cyanin
Select your answer:

Topics:
Cell Theory and Cellular Structure Inhalation Injury Prokaryotic Cells and Viruses Lipid Metabolism Skin Diseases Principles of Microbiology Gestalt Therapy Mutations Pharmacology Vitamins Digestion Healthy Foundations Homeotic Genes and Cancer Cell Membrane and Transport Infectious Diseases & the WHO Monoclonal AntibodiesOther quiz:
Vitamins and Minerals › ViewThis lists shows how many servings are in the package.
A. nutrition facts
B. name and description of the food
C. percent daily value
D. serving size
The Musculoskeletal System › View
Name this bone.
A. maxilla
B. mandible
C. frontal lobe