★ Skin Structure, Growth, & Nutrition Quiz
what is the oily secretion that lubricates the skin and preserves the softness of the hair
A. sebum
B. collagen
C. elastin
D. perspiration
Select your answer:
Topics:
Balanced Diet Muscle Tissues Muscoskeletal System Human Body Organelles Nutrition in Animals Bacterial Resistance and Biotechnology Stem Cells & Cell Differentiation CABG Surgery Human Eye and Colorful World Vision (AP Psych) Skills for Health Nephrology (Hemodialysis) Disability Etiquette & Physical Activities Cardiovascular System AnatomyOther quiz:
Nervous System › ViewWhich organ takes information to and from your brain?
A. Voluntary Muscles
B. Involuntary Muscles
C. Spinal Cord
D. Vertebrae
Joints in our Body › View
Examples are movable joints are
A. ankle, wrist, upper jaw
B. hip, neck, skull
C. shoulder, elbow, lower jaw
D. fingers, toe, ribcage