★ Skin Structure, Growth, & Nutrition Quiz
What is a fibrous protein that is the principal component of hair and nails?
A. collagen
B. keratin
C. elastin
D. dermal papillae
Select your answer:
Topics:
Joints & Movement Introduction to Mycology Physiology Pathology A Treat For Mosquitoes Life Cycle - Bee Diet Central Nervous System Tenses Disease Prevention Forensic Odontology Endocrine System Disorders Health - Nutrition EMR - Trauma Selective Breeding Vision and Hearing DefectsOther quiz:
Circulatory System › ViewHow many chambers in the heart of an amphibian?
A. 1
B. 2
C. 3
D. 4
Nervous System › View
Which type of glial cell is responsible for myelinating neurons in the central nervous system?
A. Astrocytes
B. Oligodendrocytes
C. Microglia
D. Schwann cells