2.4- Video (Anatomy)

What is the primary material that makes up hair and nails?

• Elastin

• Keratin

• Collagen

• Melanin

Which part of the hair is responsible for its color?

• Cuticle

• Shaft

• Medulla

• Hair bulb

Tags

NGSS.HS-LS3-2

What is the visible part of the nail called?

• Nail body

• Nail matrix

• Nail bed

• Eponychium

Where do fingernails and toenails begin to grow?

• Eponychium

• Lunula

• Nail matrix

• Nail bed

What is the function of the eponychium?

• To shape the nail

• To protect the nail matrix

• To provide color to the nail

• To support nail growth