The Epidermis

question 93

Multiple Choice

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 an outermost keratinized layer that is tough, airtight, and fairly waterproof; and contains melanocytes, keratinocytes, Langerhans cells, Granstein cells, and transient T lymphocytes
• E) none of these

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Definitions:

Calcium

A mineral essential for various bodily functions, including bone formation and muscle function.

Adolescents

Young people in the transitional stage of physical and psychological development from puberty to adulthood.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness.

Sleeping Patterns

Describes the rhythms and habits of sleep, including duration, quality, and cycles, which can vary significantly among individuals.