Skin Review

The integumentary system includes the

• cardiovascular system

• digestive organs

• Eyes and ears

• hair, nails and skin

Melanin is responsible for

• skin color

• skins stretchiness

• immune system responses

• feeling pain

Keratin

• is produced by keratinocytes

• make skin tough and waterproof

• is found in your hair and nails

• all of the above

These are sensitive to gentle touch sensations

• fibroblasts

• merkel cells

• langerhans cells

• pacinian corpuscles

Which of these does your skin NOT protect you from

• chemical damage

• mechanical damage

• microbial damage

• your skin protects you from all of the above

In a cold environment, what happens to your blood vessels

• they constrict

• they dilate

• they do nothing, they have nothing to do with temperature

• they bring more melanin to the surface of the skin

Tags

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If you want to lower your body temperature, which is your best option

• constrict your blood vessels

• create more melanin

• create more keratin

• sweat

Tags

NGSS.HS-LS1-3

Which type of cells will you find in the epidermis?

• adipose

• loose connective tissue

• smooth muscle

• stratified squamous epithelium

Tags

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Which type of cells will you find in the hypodermis?

• adipose

• dense connective tissue

• smooth muscle

• simple squamous epithelium

Which of these sounds like a first degree burn?

• the epidermis is completely missing

• the skin is blistered and swollen with pus building up

• only the top layer of skin is affected

• nerve endings are damaged and hair is missing