Skin And Nails

Question 1

_ make up integumentary system (3)

Answer 1

Skin

Hair

Nails

Question 2

Surface area of skin approx _ (range)

Answer 2

1.5-2m sq

Question 3

Skin is about _ percent weight of our body

Answer 3

7

Question 4

Skin composed of two _

Answer 4

Layers

(Epidermis, dermis)

Question 5

_ is thinner layer

Answer 5

Epidermis

Question 6

Epidermis serves as _ for dermis

Answer 6

Protective covering

Question 7

Outermost layer of cells on epidermis are _ shaped which divide rapidly

Answer 7

Cube

Question 8

Divide rapidly, providing cells for _

Answer 8

Outer layer

Question 9

By the time cube shaped cells reached outer layer, they _

Answer 9

Die and become flat

Question 10

After flattened, cells are sloughed off by _

Answer 10

Abrasion

Question 11

Epidermis has no _

Answer 11

Blood supply

Question 12

Epidermis depends on diffusion from _

Answer 12

Plentiful supply of blood to dermis below

Question 13

Dermis composed of connective tissue which has elastic fibers for stretch and also _ for strength

Answer 13

Collagen fibers

Question 14

Oil glands are called _ glands

Answer 14

Sebaceous

Question 15

Below dermis is _ tissue

Answer 15

Subcutaneous