Name:​_________________________________________
Date:​_______________________
Active Reading
Integumentary System
6.1 Introduction p. 117
1. What is an organ?
2. What is the largest organ (by weight) in our body?
3. List the accessory structures associated with our integumentary system?
6.2 Skin and its Tissues p. 117
1. What are the 3 layers of skin?
2. List 3 reasons why the skin is important:
3. Give examples of components the make up the Integumentary system.
6.2 Epidermis p. 118-119
1. What is the Epidermis?
2. The Epidermis contains ______________ of blood cells.
3. What is the deepest layer of the Epidermis called?
4. Keratinization is the process that ______________ older cells.
5. The hard layer on the outermost Epidermis is ______________.
6. What is the thick part of the skin found on the palms and soles called?
7. The ____________ of the Epidermis varies from region to region.
8. ____________ is the pigment of the skin that gives it color.
9. A process that transfers melanin granules into other cells is ____________ ____________.
10. Label the diagram above.
6.2 Skin Color p.119-120
6.2 Dermis p. 121-122
1. Dermal ___________ are in skin all over the body, but are most abundant in the hands and
feet.
2. Why are the fingerprints of identical twins not exactly the same?
3. What is the purpose of dermal blood vessels?
4. Where is the dermis located in the body?
5. What type of tissue(s) make up the dermis?
6. How is the dermis separated from the epidermis?
7. Why inject tattoo ink into the dermis rather than the epidermis?
8. Name three accessory structures contained in the dermis.
6.3 Nails and Hair Follicles p. 122-123
1. _________ are protective coverings on the ends of the _________ and ______.
2. What does each nail consist of?
3. The _________________ cells divide in the nail bed.
4. Which nail grows the slowest?
5. Which nail grows the fastest?
6. Hair is present on all skin surfaces except the _________, ________, ________, __________,
and ______________________________________________________.
7. What is a hair follicle and what does it consist of?
8. What is hair composed of?
9. What determines hair color?
10. How does this determine hair color?
11. Dark hair has more of a brownish-black _______________, while _________ hair and
______ hair have more of a reddish-yellow ________________.
12. What is eumelanin and pheomelanin.
13. What is albinism?
14. Smooth cells form the _____________ _______ _____________.
15. How is this hair positioned?
6.3 Sebaceous Glands and Sweat Glands p. 123-124
1. Sebaceous glands contain groups of ________________ ___________________ _________.
2. Sebaceous glands are ________________ glands that secrete a mixture of __________
____________ & _____________ __________.
3. What helps to keep your hair and skin soft?
4. Sweat glands are also known as __________________ __________.
5. What are sweat glands?
6. Each gland consists of a tiny tube in the __________ _____________ or _________________
________________ layer. The coiled portion of the gland is closed
________________________
______________________________________________________________________________
epithelial cells.
7. The most abundant sweat glands are______________ __________ and they are triggered by
______________________________________________________________________________
____________________________________________.
8. Where are eccrine glands most common?
9. The fluid (sweat) that eccrine glands secrete
is_____________________________________________________________________________
___________________as a pore.
10. Sweat is mostly composed of what? What else does it contain?
11. Compare and contrast the eccrine and apocrine glands.
12. Where are apocrine glands most common?
13. The secretion of apocrine glands develop a _______ as they are _________________ by skin
bacteria.
14. What are two examples of modified sweat glands?
6.4 Regulation of Body Temperature p. 124-125
1. Heat is a product of what process?
2. How does blood help regulate body temperature?
3. Sweat glands help to regulate body temperature by doing what?
4. What location of the body does 80% of the body’s heat escape?
5. What happens if too much heat is lost and body temperature drops?
6. What type of cells are the major producers in cellular metabolism?
7. Which actions help the body conserve heat?
8. What is the difference between hypothermia and hyperthermia?
9. What is the normal temperature in deeper body parts?
10. What happens to nerve impulses and what do they do when the body’s temperature rises?
6.5 Healing of Wounds p. 125
1. What is Inflammation?
2. What happens to inflamed skin?
3. What is a blood clot?
4. What is a scab?
5. What are scars?
6. What are phagocytic cells and what do they do?
7. What does a granulation consist of?
8. Explain the different types of burns and how they heal:
Type of Burn
How it heals