Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 9SQ
Tears are part of the body’s defensive arsenal. What defense category do they fall into, and why?
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"The deeper within the dermis or subcutaneous tissue any dark pigment is located, the bluer the pigment appears because of the light-scattering effect of the overlying tissue. "
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The cuticle is a complex non-cellular layer secreted by the epidermis. It is the seat of complex processes and changes. Along this line, how are sclerotization and melanization of the integument influenced by the hemolymph? Elaborate.
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Chapter 9 Solutions
Human Biology (MindTap Course List)
Ch. 9 - Prob. 1RQCh. 9 - Distinguish between a. neutrophil and macrophage...Ch. 9 - What is the difference between innate immunity and...Ch. 9 - What is the difference between an allergy and an...Ch. 9 - ______ are barriers to pathogens at body surfaces....Ch. 9 - Complement proteins function in defense by...Ch. 9 - Prob. 3SQCh. 9 - Prob. 4SQCh. 9 - Antibody-mediated responses work best against...Ch. 9 - Cell-mediated responses work best against...
Ch. 9 - The most common antigens are __________. a....Ch. 9 - The ability to develop a secondary immune response...Ch. 9 - Tears are part of the bodys defensive arsenal....Ch. 9 - Match the immunity concepts: __________...Ch. 9 - New research suggests a link between some microbes...Ch. 9 - Given what you now know about how foreign invaders...Ch. 9 - Researchers have been trying to develop a way to...Ch. 9 - Prob. 4CTCh. 9 - Prob. 5CT
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- The papillary and reticular layers of the dermis arecomposed mainly of ________.a. melanocytesb. keratinocytesc. connective tissue d. adipose tissuearrow_forwardOne of the many functions of the integumentary system is protection. Describe two ways that the integumentary system is protective (i.e., what it protects against and how).arrow_forwardIdentify a disease/disorder that directly affects the integumentary system. In your response include a picture of the disease/disorder and define the disorder/disease. DO NOT tell us what part of the integumentary system is affected, but you can give us clues by telling us in your definition about the symptoms or treatment.arrow_forward
- Describe when inflammation is good and when it is badarrow_forwardElastic fibers of the skin are associated with the: a) papillary layer. b) reticular layer. c) keratinized layer. d) subcutaneous layer.arrow_forwardPigmentation of skin is due to: A. lymphocytes B. monocytes C. leucocytes D. melanocytesarrow_forward
- What is the role of Skin receptors?arrow_forwardDescribe the major events of the four steps (listed below) of integument repair following injury: a. Inflammation Phase,b. Migratory Phase,c. Proliferation Phase, d. Scarring Phasearrow_forwardA cut that extends into the epidermis and dermis is considered to be a _________ cut and will bleed due to the damage to blood vessels.arrow_forward
- The connective tissue that composes the dermis is Multiple Choice dense regular connective. elastic connective. elastic cartilage. dense irregular connective.arrow_forwardExplain three ways the skin acts as a defense mechanism.arrow_forwardlist six very different integumentary adaptations for anti-predator defense. For each one list a real animal with this defense. All six examples should have six different animals pleasearrow_forward
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