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Fine-grained igneous rocks formed as magma cooled slowly.
Arrector Pili Muscles
Small muscles attached to hair follicles that, when contracted, cause the hair to stand on end, known as "goosebumps."
Keratinization
The process by which cells fill with keratin protein, die, and form tough, protective layers in the skin, hair, and nails.
Melanin
A pigment found in the skin, hair, and eyes that is responsible for color and protection against UV radiation.
Third-Degree
A term often associated with burns, indicating the most severe type that damages all layers of skin and possibly underlying tissues.
Q2: Newborn screening is considered a public health
Q7: The most reliable screening test for _
Q9: The Julian calendar adjusted for the fact
Q11: The molecules of a gas are much
Q15: The formation of an ionic bond<br>A)involves a
Q16: A newborn infant is observed to have
Q23: The greatest use of fresh water in
Q26: The asteroids forming a belt between the
Q27: Red giants are enormously bright because they
Q27: Rutherford concluded from his calculations that the