The eye is a warm, moist environment favored by many harmful bacteria. Nevertheless, eye infections are relatively rare. Why is this?
A) Tears contain the antibacterial enzyme lysozyme.
B) The eyes are constantly exposed to UV light, which inhibits bacterial growth.
C) Antibodies, particularly IgM, are secreted in abundance in the tears.
D) The enzyme tearase inhibits bacterial growth.
Answer: A
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