What is the primary organ of the integumentary system? - ANSWER the skin
Name the four functions of the skin - ANSWER The four functions of the skin are
protection, sensation, secretion, and temperature regulation
What are the 5 layers of the epidermis? - ANSWER stratum germinativum, stratum
spinosum, stratum granulosum, stratum lucidum, and stratum corneum
What are the two layers of the skin? - ANSWER epidermis and dermis
What is the protein that makes up the majority of hair and nails? - ANSWER keratin
What gives the skin its pigment? - ANSWER melanin
What are Langerhans cells, and what is their function? - ANSWER Langerhans cells
are cells of the immune system that are found in the stratum spinosum of the epidermis.
Their function is to protect the body from invading microorganisms
What accessory structures of the integumentary system are found in the dermis? -
ANSWER Hair, sebaceous glands, and sweat glands
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, What are the parts of the hair? Where can hair be found? What is the function of the
arrector pili muscle? - ANSWER The hair is made up of the root growing out of the
hair follicle and the shaft which is the visible portion of the hair. Hair can be found all over
the body except for the lips, palms and soles, and the penis.
The function of the arrector pili muscle is to contract in reaction to cold or an emotion to
form goosebumps
Where are nails found? What are they made of? What is the function of the nail? What are
the sections of the nail? What is the eponychium? What is the lunula? -
ANSWER Nails are found on the ends of the fingers and toes. They are made of
keratin. The function of the nail is for protection for the tips of the fingers and toes.
The sections of the nail are the root and the nail bed. The eponychium is a fold of epithelial
tissue over the base of the nail body.
The lunula is the crescent-shaped area at the base of the nail body that is lighter than the
rest of the nail
What are sebaceous glands? What is their function? - ANSWER Sebaceous glands
are oil-secreting glands in the skin. Their function is to secrete sebum to lubricate the hair
and the nails
What is the function of sweat glands? What are the two types of sweat glands found in the
body? What are the main differences between these two glands? - ANSWER Sweat
functions to cool the body through evaporation of moisture. The two types of sweat glands
found in the body are the merocrine and apocrine sweat glands.
Merocrine sweat glands are located throughout the body and release sweat directly to the
skin's surface. They are most prevalent on the soles of the feet and palms of the hands.
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Name the four functions of the skin - ANSWER The four functions of the skin are
protection, sensation, secretion, and temperature regulation
What are the 5 layers of the epidermis? - ANSWER stratum germinativum, stratum
spinosum, stratum granulosum, stratum lucidum, and stratum corneum
What are the two layers of the skin? - ANSWER epidermis and dermis
What is the protein that makes up the majority of hair and nails? - ANSWER keratin
What gives the skin its pigment? - ANSWER melanin
What are Langerhans cells, and what is their function? - ANSWER Langerhans cells
are cells of the immune system that are found in the stratum spinosum of the epidermis.
Their function is to protect the body from invading microorganisms
What accessory structures of the integumentary system are found in the dermis? -
ANSWER Hair, sebaceous glands, and sweat glands
1
, What are the parts of the hair? Where can hair be found? What is the function of the
arrector pili muscle? - ANSWER The hair is made up of the root growing out of the
hair follicle and the shaft which is the visible portion of the hair. Hair can be found all over
the body except for the lips, palms and soles, and the penis.
The function of the arrector pili muscle is to contract in reaction to cold or an emotion to
form goosebumps
Where are nails found? What are they made of? What is the function of the nail? What are
the sections of the nail? What is the eponychium? What is the lunula? -
ANSWER Nails are found on the ends of the fingers and toes. They are made of
keratin. The function of the nail is for protection for the tips of the fingers and toes.
The sections of the nail are the root and the nail bed. The eponychium is a fold of epithelial
tissue over the base of the nail body.
The lunula is the crescent-shaped area at the base of the nail body that is lighter than the
rest of the nail
What are sebaceous glands? What is their function? - ANSWER Sebaceous glands
are oil-secreting glands in the skin. Their function is to secrete sebum to lubricate the hair
and the nails
What is the function of sweat glands? What are the two types of sweat glands found in the
body? What are the main differences between these two glands? - ANSWER Sweat
functions to cool the body through evaporation of moisture. The two types of sweat glands
found in the body are the merocrine and apocrine sweat glands.
Merocrine sweat glands are located throughout the body and release sweat directly to the
skin's surface. They are most prevalent on the soles of the feet and palms of the hands.
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