Did You Know?
Biology is both exciting and unique. Monday through Friday, I'll post an interesting biology fact. From bacteria to mammals, we'll explore the exciting world of biology. If you have a suggestion, send email to Regina. For current facts, please see the Did You Know? page.
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Did you know that... the cornea, the outermost layer of the eye, does not contain blood vessels? It receives nutrients from tears and from the aqueous humor. |
