Select your answer:
Topics:
Macromolecules Genetics and Probability The Musculoskeletal System Dermatology Vocabulary Pediatric Cardiology Central Nervous System Pain Pathophysiology Human Eye Homeostasis and Disease Population Genetics Cellular Transport and Metabolism Integumentary System Medical Terminology Immunology Integumentary System & Body Directions Blood and BonesOther quiz:
Mechanical Digestion › ViewWhat hard, tough, and shiny substance covers the teeth?
A. wax
B. diamond
C. keratin
D. enamel
Carbohydrates / Fat-soluble Vitamins › View
Name 3 elements from which carbohydrates are formed
A. carbon, hydrogen and oxygen
B. carbon, sulphur and nitrogen
C. sulphur, hydrogen and carbon
D. oxygen, carbon and phosphorus