★ Epithelial Tissue Quiz
is a waterproof protein found in certain types of epithelium and it is resistant to friction while repelling bacteria.
A. collagen
B. keratin
C. mucous
D. reticula
Select your answer:

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Sense of Sight Homeostasis - Vision Correction Anatomy & Physiology Environment EKG Medical Term Human Body Systems Vaccines Heart and Circulatory System Cardiovascular Nursing Skin Diseases Musculoskeletal LE Nature of Science Anxiety Disorders Types of Immunity VitaminOther quiz:
Economic importance of Bacteria › ViewA structure that can help bacteria survive harsh conditions.
A. capsids
B. endospores
C. pili
D. DNA
Physical › View
When you are trying to score a goal you are ?
A. Attacking
B. Fielding
C. Defending
D. Marking