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IV Therapy and Blood Transfusion Pain Management Balanced Diet Biochemistry Radiography Infection Control Medical Terminology Prefixes The Skeletal System Anatomy - Cellular Respiration Mycology Diseases Communicable or non Communicable Reproductive System Vocabulary Skin Structure and Growth Human Eye and Colourful World Muscle Origin, Insertion, and Function

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Microbiology › View

One of the major differences between the first and second line of defense is that

A. the first line defenses involve the respiratory tract whereas the second line defenses involve the gastrointestinal tract.

B. the first line defenses are anatomical barriers whereas the second line defenses are mechanisms.

C. the first line defenses involve complement proteins whereas the second line defenses involve antibodies.

D. the first line defenses involve complement proteins whereas the second line defenses involve antibodies.

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Human Anatomy › View

The smallest bone in the human body is located _________

A. in the foot

B. in the hand

C. in the ear

D. in the vertebrae

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