★ Biology Quiz
A substance that cannot be broken down into simpler chemical substances is called ___.
A. an atom
B. an element
C. a compound
D. a covalent bond
Select your answer:

Topics:
Food System & Nutrients Homeostasis, Nutrition, Digestion & Absorption Water Macromolecules Musculoskeletal Disorders Respiratory System Med Term Sources Of Food EMR Pathophysiology Bacterial Growth and Culturing Conditions Serology/Blood Typing Bio Cells Germs & Diseases Surgical & Complementary Terms Health and Social Care Infectious Diseases & the WHO Organic Compounds, Minerals and EnzymesOther quiz:
Skeletal System Vocabulary › ViewHealthcare profession that treats malalignment of the spine
A. nurse
B. chiropractor
C. athletic trainer
D. EMT
Skin Structure, Growth, & Nutrition › View
The layer of skin that is seen and treated by the cosmetologist is the _____.
A. stratum corneum
B. keratin
C. melanin
D. papillae