
Chapter 3: Hair Analysis
Authored by Teresa Leite
Science
12th Grade
NGSS covered

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44 questions
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1.
MATCH QUESTION
30 sec • 1 pt
Label a diagram of human skin by matching each structure to its best description.
Shaft that emerges above the skin surface
Dermis
Layer of skin beneath the outer layer containing glands and follicles
Capillaries
Tubular sheath surrounding the root of the hair
Hair follicle
Small blood vessels within the skin
Epidermis
Outermost layer of skin
Hair
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following are functions of hair? Select all that apply.
Protection from the sun and dirt
Regulation of body temperature
Detection of movement by nerves in the follicle
Camouflage for some animals
Increase in blood glucose levels
3.
MATCH QUESTION
30 sec • 1 pt
Match each part of hair to its description.
Outermost protective layer composed of scales
Cortex
Central core that may be hollow or filled
Medulla
Thick middle layer containing pigment
Cuticle
4.
MATCH QUESTION
30 sec • 1 pt
Match the parts of a wooden pencil to the analogous structures in hair.
Cortex of the hair
Paint on the pencil
Medulla of the hair
Wood of the pencil
Cuticle of the hair
Lead of the pencil
Tags
NGSS.MS-LS4-2
5.
MATCH QUESTION
30 sec • 1 pt
Match each type of hair medulla to its description.
Fills most of the hair’s diameter
Fragmented
Irregular gaps
Interrupted
Missing central core
Solid
No gaps or breaks
Absent
Repeating gaps in a pattern
Continuous
6.
MATCH QUESTION
30 sec • 1 pt
Match each hair cuticle formation to its description or typical example.
Petal-like scales; common in cats
Coronal
Flattened, overlapping scales; common in humans
Spinous
Crown-like scales; bats and small rodents
Imbricate
7.
MATCH QUESTION
30 sec • 1 pt
Match each body hair type to its typical characteristics.
Very coarse; triangular cross-section; thick medulla
Beard hair
Coarse and wiry; wider medulla
Head hair
Uniform pigment; long and soft; often circular cross-section
Pubic hair
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