★ Anatomy and Physiology Quiz
What is the dark pigment which gives skin its color?
A. melatonin
B. keratin
C. melanin
D. vitamin D
Select your answer:
Topics:
Cell Injury The Skeletal System Body System Genetics Vocabulary Energy and Metabolism Enzymes and Digestion Musculoskeletal - Clinical Biochemistry Breathing System Agents of Disease Anatomy and Physiology Skeletal System Arteries Cellular and Sexual Reproduction Health and Wellness Heart and Blood VesselsOther quiz:
Health › ViewThis is also known as bad breath, this condition is caused by bacteria that proliferate in your mouth when you do not brush and floss you teeth.
A. Halitosis
B. Tooth decay
C. Gingivitis
D. None of the above
Cardiovascular and Respiratory › View
Normal respiratory rate
A. 12-18
B. 10-20
C. 12-20
D. 16-18