Tears act as a lubricant and ________ to protect the eyes from microorganisms.

A. antiseptic
B. moisture
C. bath
D. glaze


Answer: A

Anatomy & Physiology

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Identify the following

Anatomy & Physiology

In an adult, red blood cells are produced primarily in the _______ _______

________ . Fill in the blank(s) with correct word

Anatomy & Physiology

What is the structure of a typical capillary vs. a capillary in the brain or liver? How does this affect how molecules move between plasma and the interstitial fluid?

What will be an ideal response?

Anatomy & Physiology

Genes produce their products ________.

A. as their products are needed or not B. at a steady rate all the time C. when the transcription activator is inhibited by an extracellular signal D. only when the appropriate hormone is present

Anatomy & Physiology