Integumentary System

Question 1

label the skin

Answer 1

grade yourself accordingly

Question 2

contains sensory organs that detect arriving stimuli from the external environment

Answer 2

integumentary system

Question 4

the integumentary system makes up what percent of the body weight

Answer 4

15-20 percent

Question 5

largest organ of the body

Answer 5

integumentary system

Question 6

Functions of the integumentary system (5)

Answer 6

barrier
homeostatic
sensory
secretory
excretory

Question 7

agents that the skin can act against as

Answer 7

physical
chemical
biological

Question 8

prevents water loss and regulates body temperature

what function of the skin

Answer 8

homeostatic

Question 9

can sense touch, pain, and pleasure sensitivity

what function of the skin

Answer 9

sensory

Question 10

converts precursor molecules to vitamin D, lubricants for hair pheromones

what function of the skin

Answer 10

secretory

Question 11

Two layers of the integumentary system

Answer 11

epidermis
dermis

Question 12

surface layer of the skin

Answer 12

epidermis

Question 13

its invagination forms skin glands, both exocrine and endocrine glands

Answer 13

epidermis

Question 14

Interaction of dermis and epidermis forms specialized structures such as (4)

Answer 14

teeth
feathers
hair
scales

Question 15

outermost layer of the frog skin, differentiated into two

Answer 15

epidermis

Question 16

two layers of epidermis in frog skin

Answer 16

stratum germinativum
stratum corneum

Question 17

innermost layer of the epidermis

Answer 17

stratum germinativum

Question 18

outermost layer of the epidermis

Answer 18

stratum corneum

Question 19

deep layer of the frog skin

Answer 19

dermis

Question 20

layer of dermis in frogs

Answer 20

stratum spongiosum
stratum compactum
subcutaneous layer

Question 21

lies immediately below the stratum
germinativum

Answer 21

stratum spongiosum

Question 22

specialized structures associated with stratum spongiosum (3)

Answer 22

melanophores
mucous glands
poison glands

Question 23

lines the stratum spongiosum, a specific type of chromatophore (

Answer 23

melanophore

Question 24

pigment cell

Answer 24

chromatophore

Question 25

produces a brown or black pigment

Answer 25

melanophore

Question 26

secretes a slimy secretion

Answer 26

mucous glands

Question 27

part of the mucous gland open onto the surface

Answer 27

mouth

Question 28

part of the mucous gland is a duct leading to the mouth from the body or fundus

Answer 28

neck

Question 29

secrete toxic substances, only present in poisonous amphibians

Answer 29

poison glands

Question 30

thickest layer in frogs skin, made up of connective tissue fibers which are arranged horizontally

Answer 30

stratum compactum

Question 31

the deep extension of the dermis, usually containing adipose tissue

Answer 31

subcutaneous layer

Question 32

label the frog's skin

Answer 32

grade yourself accordingly

Question 33

the outermost layer of the skin, differentiated into 5 layers

Answer 33

epidermis

Question 34

innermost layer, where cells are produced continually and migrate towards the surface

Answer 34

stratum basale/germinativum

Question 35

skin layer where mitosis occurs

Answer 35

stratum basale/germinativum

Question 36

immediately superficial to stratum basale

Answer 36

stratum spinosum

Question 37

a granular layer peripheral to the stratum spinosum

Answer 37

stratum granulosum

Question 38

third layer, lies just above the stratum granulosum, this layer occurs only in thick skin, also immediately deep to the stratum corneum

Answer 38

stratum lucidum

Question 39

outer layer of cells with cornified cytoplasm

Answer 39

stratum corneum

Question 40

gland that arise from the walls of the hair follicle

Answer 40

sebaceous glands

Question 41

gland that has coiled tube, numerously distributed within the dermal layer

Answer 41

sweat glands/sudoriferous glands

Question 42

tiny dandles of smooth muscle associated with hair follicles

Answer 42

arrector pili muscle

Question 43

exposed part of the hair

Answer 43

hair shaft

Question 44

the pit in the skin from which each hair springs

Answer 44

hair follicle

Question 45

– situated at the bottom of the hair follicle

Answer 45

hair bulb/papilla

Question 46

innermost layer, thickest layer of the skin, differentiated into 3 layers:

Answer 46

dermis

Question 47

3 layers of dermis

Answer 47

papillary layer reticular layer subcutaneous layer

Question 48

contains many small finger-like projections called papillae, marking the upper region of the dermis projecting into the epidermis

Answer 48

papillary layer

Question 49

finger-like projections

Answer 49

papillae

Question 50

region below the papillary layer

Answer 50

reticular layer

Question 51

the deep extension of the dermis, usually including adipose tissue

Answer 51

subcutaneous layer

Question 52

label the epidermal derivatives

Answer 52

grade yourself accordingly

Question 53

label the layers of the skin

Answer 53

grade yourself accordingly

Question 54

organelles that gives off melanin

Answer 54

melanosomes

Question 55

layers of the skin

Answer 55

corneum lucidum granulosum spinosum basale