★ Skin Structure, Growth & Nutrition Quiz
A fatty or oily secretion that lubricates the skin and preserves the softness of the hair is _____.
A. sebum
B. lymph
C. pus
D. melanin
Select your answer:
Topics:
Respiratory System The Blood The Digestive System Transportation and Excretion Gene Cloning Cosmetology Child Development Respiratory and Circulatory Toxicology Body Fluids & Circulation Thyroid and Intro to Endocrinology -ology Deficiency Diseases Physiothearpy in Neurology Microorganism - DiseasesOther quiz:
Virus, Bacteria, Immunity › ViewWhat is the job of the cell wall in bacteria?
A. To provide protection
B. To make protiens
C. To hold organelles in place
D. To hold water and nutrients
Bone Development and Remodeling › View
Cartilage-forming cells in the surrounding perichondrium secrete new matrix against the external face of the existing cartilage tissue.
A. secondary ossification
B. oppositional growth
C. bone resorption
D. appositional growth