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What is the total energy of a proton moving at a speed of 2.4 × 108 m/s? (proton mass is 1.67 × 10−27 kg and c = 3.00 × 108 m/s)
Pigmented Hairs
Pigmented hairs are hairs that contain melanin, which gives hair its color, varying from person to person and changing with age.
Terminal Hairs
The thick, pigmented hairs that replace vellus hairs in certain body parts during puberty.
Lanugo
Fine, soft hair that covers the body of a fetus, serving as insulation before the development of fat layers.
Dermal Papilla
Structures located at the base of the hair follicle, containing capillaries and nerves, crucial for hair growth and health.
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