Medical Quiz
Skin Structure, Growth, & Nutrition Quiz

What is the principal component of hair and nails

A. collagen

B. melanin

C. elastin

D. keratin

Select your answer:
A  B  C  D  E 


Infection Transport System in Man Functional Anatomy in Track & Field Healthy Foundations Lymphatic System Microbiology Bacteriology Body Systems Physical and Sensory Impairment T Cells Coronary Heart Diseases Genetic Engineering Heart Anatomy Parathyroid Gland Microbial Growth

Other quiz: Wellness Vocabulary

Using the Internet to buy products or services.

A. epidemiology

B. online shopping

C. preventative care

D. medical history