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BIOL 319 COHN FINAL REVIEW 2026 STUDY GUIDE PRACTICE QUESTIONS DETAILED SOLUTIONS

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BIOL 319 COHN FINAL REVIEW 2026 STUDY GUIDE PRACTICE QUESTIONS DETAILED SOLUTIONS

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BIOL 319 COHN FINAL REVIEW 2026
STUDY GUIDE PRACTICE
QUESTIONS DETAILED SOLUTIONS
◉ Gross Anatomy. Answer: structures can be examined without a
microscope


◉ Surface Anatomy. Answer: looks at surface/exterior to visualize
structures deeper inside


◉ Physiology. Answer: scientific study of function of body


◉ What are the different ways physiology can be studied?. Answer:
organismal, system, organ, cellular


◉ What levels of physiology are there?. Answer: chemical, cell, tissue,
organ, organ system, organism


◉ What are the main parts of the integumentary system?. Answer: sweat
glands, skin, nails, hair


◉ What are the major functions of the integumentary system?. Answer:
1. protection
2. sensation

, 3. temperature regulation
4. vitamin d production
5. excretion


◉ What are the 2 layers of the skin?. Answer: 1. epidermis
2. dermis


◉ Epidermis. Answer: -superficial layer of skin, consisting of stratified
squamous tissue
-contains no blood vessels
-living cells receive nutrients and excrete waste products through
diffusion


◉ What separates the epidermis and the dermis?. Answer: basement
membrane


◉ Keratinocytes. Answer: produce keratin that makes cells more durable
and give the epidermis its ability to resist abrasion and reduce water loss


◉ melanocytes. Answer: produce the pigment melanin, which
contributes to skin color


◉ langerhans cells. Answer: part of the immune system
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