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Phlebotomy Medical Terminology Homeostasis and Disease Human Anatomy and Physiology Vessels Benefits of Physical Activity Microbes DNA Human Excretory System Bone Shapes & Long Bone Anatomy Infant Nutrition Differentiation and Division of Human Cells Cell Theory and Cellular Structure Endocrine System and Nervous System Enzymes and Their Functions Mechanical Digestion

Other quiz:

The Human Eye › View

What is the aqueous humor?

A. fibers that hold the lens in place

B. thin structure that controls pupil

C. clear, watery fluid

D. helps refract light to the retina

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Ecology › View

These cause variations.
A. mutations
B. adaptations
C. a desire to change
D. injuries

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