Quizzy Quiz
Stratum Corneum
outermost layer; consists of squamous cells
Stratum Germinatium
(basale) - deepest layer; consists of cells that can produce and repair wounds. This layer consists of cells that produce melanin, the pigment that gives skin its color
False
All vertebrates are homiothermic (warm blooded) animals.
Papillary
Consists of hair follicles and sebaceous glands; creates ridges making up fingerprints
Reticular
Consists of sweat glands
Blood capillaries in the dermis
Constrict or dilate to control heat loss
Cerumin
Ear Wax
Gas exchange/Attracting a mate
Frogs and other amphibians use their skin for...
Areolar
Group of cells connecting hypodermis to skeletal muscles
Dermis
Has 2 layers of tissue
Sweat Gland
Heat loss
Hair
Heat retention
Fat Cells
Insulation
Makes it waterproof/Kills the cells
Keratin deposited in the epidermis cells
The ratio of the outside body surface to the inner volume is smaller
Large animals find it easier to keep warm than small ones because...
Stratum Granulosum
Layer of cells that produces protein keratin
Stratum Spinosum
Layer produces desmosomes, which connect one layer of tissue to another layer
Ceruminous Gland
Located in ear canal Produces cerumin (ear wax) to protect ear drum
Sebaceous Glands
Located in papillary layer of dermis Produce oil called Sebum (lubricates skin) If duct of these glands is blocked, pimples form
Merocrine Gland
Located in reticular layer of dermis Type of sweat gland that coats body when hot
Apocrine Glands
Located in reticular layer of dermis Type of sweat gland that creates "natural" body color
Hair Erector Muscle
Makes hairs stand on end
Dermis
Makes skin tough
Hypodermis
Not a part of skin consists of adipose cells and major blood vessels Connecting hypodermis to skeletal muscles is a group of cells called areolar
Epidermis
Outer layer of skin
Epidermis
Protection from infection
Melanin
Protection from sun's rays
Oils
Sebaceous glands secrete
Sebaceous Gland
Secretes oily substance to coat hairs
Dermis
Sense organs for touch, pressure, pain and temperature are found in the...
Exocrine glands
Sweat glands are...
Hypothalamus
Temperature regulation is under the control of the...
Give the skin a nice color/Protect underlying layers from the harmful rays of the sun
The function of melanin in the skin is to...
Gives humans goose bumps/Makes animals hair stand on end
The hair erector muscle...
The epidermis
The outermost layer of the skin is?
Melanin
The pigment that gives skin its color
Keratin
Water proofing
The dermis
Which is the thickest layer?
Stratum Spinosum
Which layer produces desmosomes?
Stratum Germinatium
Which layer produces melanin?
Stratum Granulosum
Which layer produces the protein keratin?
Sebaceous glands
Which of the following are NOT important in temperature regulation of the body?
Keratin is deposited in them/They become flattened and scale-like/The die/They are shed from the surface
Which of the following happens to epidermal cells as they move up to the surface of the skin?
Holding in the organs
Which of the following is NOT a function of the skin?
Antlers
Which of the following is NOT a keratin skin structure?
Vitamin D
Which vitamin is produced in the skin in sunlight?
