Integumentary System: Skin Color, Hair, and Nails

What is the Integumentary System made of?

• skin

• hair

• nails

• glands

• all of the options

Which of these are functions to the Integumentary System.

• protect (act as a barrier)

• temperature regulation

• absorb and synthesize vitamins

• excrete salt

• all of the options

Which pigments control "normal" skin color?

• melanin

• hemoglobin

• carotene

• all of the options

• none of the options

Which pigment is responsible for the red tint from blood in "normal" skin color?

• melanin

• hemoglobin

• carotene

Which pigment is responsible for the black/brown tint from heredity and light exposure in "normal" skin color?

• melanin

• hemoglobin

• carotene

Tags

NGSS.HS-LS3-2

Which pigment is responsible for the yellow tint from foods (ex. egg yolk and carrots) in "normal" skin color?

• melanin

• hemoglobin

• carotene

Where is hair found?

• on/in thick skin

• on/in thin skin

• on/in both thick and thin skin

• on/in neither thick or thin skin

What causes goosebumps?

• the arrector pilli muscle raising the hair

• the body's reaction to cold (creates insulation to warm skin)

• the body's reaction to fear (hormones cause reaction)

• all of the options

Humans will experience 3 types of hair in their lifetime: Lanugo, Vellus, and Terminal Hair. What is Lanugo?

• appears on the fetus in the last 3 months of development in utero; fine, unpigmented hair

• hair at present at birth (full term baby); fine and unpigmented

• longer, coarser and pigmented hair; found on the scalp, eyebrows, lashes, pubic, and facial hair

Humans will experience 3 types of hair in their lifetime: Lanugo, Vellus, and Terminal Hair. What is Terminal Hair?

• appears on the fetus in the last 3 months of development in utero; fine, unpigmented hair

• hair at present at birth (full term baby); fine and unpigmented

• longer, coarser and pigmented hair; found on the scalp, eyebrows, lashes, pubic, and facial hair