Integumentary System

The function of the integumentary system includes all of these except what?

• Homeostasis

• Cooling system

• Synthesis of Vitamin A

• Excretion of wastes

The epidermis is composed of what kind of cells?

• Simple squamous epithelial

• Stratified cuboidal epithelial

• Stratified squamous epithelial

• Transitional epithelial

What layer of the skin contains sweat glands?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous

Goosebumps are caused by contractions of the ______ muscle

• Arrector pili
• Apocrine
• Eccrine
• Sebaceous

Skin color is due to a pigment called

• Keratin
• Melanin
• Chromatin
• Epithelium

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The function of sebum is:

• Keeps skin soft and moist
• Help to regulate body temperature
• Produce vitamin D
• Protect skin from mechanical damage

Sweating to regulate body temperature is an example of

• negative feedback
• positive feedback
• a homeostatic imbalance
• aging

Tags

NGSS.HS-LS1-3

What causes acne?

• clogged sebaceous glands
• clogged apocrine glands
• clogged merocrine glands
• clogged sweat glands

Tags

NGSS.MS-LS1-5

What is one function of the integumentary system?

• It absorbs vitamin C so that the skin will not be subject to diseases.
• The cells of the epidermis store glucose for energy.
• It aids in desiccation.
• It converts cholesterol to vitamin D.

Which layer of the skin contains no nerves and blood vessels?

• subcutaneous fascia

• epidermis

• dermis

• hypodermis