A & P Chapter 4

What glands produce an oil that keeps the skin and hair soft and also acts as a barrier against bacteria?

• Sudoriferous

• Sebaceous

• follicle

• Integumentary

Which part of the skin is the innermost layer?

• epidermis

• coruim

• dermis

• hypodermis

Which part of the skin is the outermost layer?

• hypodermis

• epidermis

• corium

• dermis

What is the pigment that absorbs ultraviolet light to tan the skin?

• Carotene

• stratum

• melanin

• subcutaneous

Melanin absorbs ultraviolet radiation in sunlight, preventing it from causing mutations in the DNA of skin cells and other damaging effects.

• True

• False

Tags

NGSS.HS-LS3-2

Nails are protective coverings on the ends of the fingers and toes

• true

• false

A bundle of smooth muscle cells, forming the arrector pili muscle , attaches to each hair follicle

• true

• false

Keratin is...

• a vitamin growing out of your skull

• a mineral found in the hair skin and nails

• a protein found in the skin, hair and nails.

Tags

NGSS.MS-LS3-1

Homeostatic regulation of body temperature by adjustments in the heat-producing and heat-losing mechanisms.

• Thermoreceptor

• Thermoregulation

• Eccrine Glands

Tags

NGSS.HS-LS1-3

What are nails made of?

• epidermal cells

• protien

• melanin

• vitamins