★ 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:
Immunology and Serology Oncology Dentistry Teeth and Microbes Renal, Cancer, HIV Composition Of Human Blood Tongue and Skin Haematology Medical Nursing Regulation of Urine Formation Cells & Body Systems -ology Vascular Surgery Chronic Diseases Musculoskeletal InjuriesOther quiz:
Pathogens › ViewWhat are the two types of immune systems?
A. Acquired & Adaptive
B. Innate & Acquired
C. Innate & Autoimmune
D. Red & White Blood Cells
Biotechnology › View
The thin, flexible barrier around a cell is called the____.
A. Plasma membrane
B. Cell wall
C. Nuclear envelope
D. Cytoplasm