Skin
Hair
Eyes
Nails
Body System
100
What stops the skin from getting thicker?
Wearing Away
100
Where is the most hair located?
Head
100
What is the muscle in the eye?
Iris
100
What are things you use polish on your body?
Nails
100
What system contains the hair, nose, skin, fingernails, and etc.?
Integumentary System
200
What part of the skin is the thickest?
Sole of the Foot
200
Why do the hair follicles have a blood supply?
They need nutrients for growing cells.
200
What pigment is needed for vision?
Rhodopsin or visual purple
200
What is a common disease in the Nails?
Onychomycosis
200
What is the purpose of the skin in Homeostasis?
Mainly temperature control and controls excretion
300
What can a frost bite do to the skin?
The skin cells and cells die of oxygen starvation
300
Where are hair follicles located?
Dermis
300
What causes twitching of the eyes?
Tardive Dyskinesia
300
How long is the longest fingernail?
24 ft.
300
What reduces heat loss?
constriction of blood vessels
400
What substance in the skin prevents the penetration of the UV light?
Melanin
400
What is the thing that covers most of the surface of the body. Three parts - cuticle, cortex, medulla. Consist of Shaft, Root, and Arrector pili.
Hair
400
Why do eyes burn when you're tired?
Because of dryness
400
What are modified epidermal cells? Consist of Lunula, body, root. Growth occurs from the nailbed
Nails
400
What is the first integumentary structure that a needle will pass through?
epidermis
500
Why do skin cells vary shape in the outer layer?
As cells die, they get flatter
500
What is a hair follicle called?
Root
500
What is an eye doctor called?
Ophthalmologists
500
Which layer produces nails?
Malpighian layer
500
How many layers does the epidermis have?
4-5