The epidermis
a. has an outermost keratinized layer that is tough, airtight, and fairly waterproof
b. contains melanocytes, keratinocytes, Langerhans cells, Granstein cells, and transient T lymphocytes
c. has a richly vascularized inner layer
d. has characteristics a and b
e. has none of the above characteristics
D
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What will be an ideal response?
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