★ Skin Structure, Growth, & Nutrition Quiz
the pigment produced to protect the skin from the effects of ultraviolet run rays is
A. keratin
B. melanin
C. elastin
D. collagen
Select your answer:
Topics:
Infectious Diseases & the WHO Neurology Composition Of Human Blood History of Healthcare Myocarditis Movement Molecular Biology Biocomposite Dermis Diversity Pathophysiology_Endocrine CABG Surgery Physical Pharmacy Intravenous Fluid Therapy PancreasOther quiz:
Special Senses › ViewWhat disorder could be treated by the surgical insertion of an artificial stapes?
A. Otosclerosis
B. Meniere’s disease
C. Otitis media
D. Sensory hearing loss
Heart and Circulatory System › View
The 2 atriums in the heart pump blood to what part of the body?
A. Ventricles
B. Aorta
C. Lower body
D. Upper body