BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 28, Problem 14SA
Summary Introduction
Introduction:
Skin is made up of different types of cells that perform different functions. Some perform the secretory functions while others protect the inner layer of the cells. Hairs are keratin-rich, nonliving pertinacious structures present on the body surface.
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Chapter 28 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 28 - _______ tissues are sheetlike with one free...Ch. 28 - _________ allow cardiac muscle cells to contract...Ch. 28 - Glands are derived from ________ tissue. a....Ch. 28 - Most ________ have many collagen and elastin...Ch. 28 - ________ is mostly plasma. a. Adipose tissue c....Ch. 28 - Prob. 6SACh. 28 - Cells of ________ can shorten contract. a....Ch. 28 - Prob. 8SACh. 28 - ________ detects and integrates information about...Ch. 28 - Prob. 10SA
Ch. 28 - Prob. 11SACh. 28 - Prob. 12SACh. 28 - Prob. 13SACh. 28 - Prob. 14SACh. 28 - Match the terms with the most suitable...Ch. 28 - Many people oppose the use of animals for testing...Ch. 28 - Prob. 2CTCh. 28 - Each level of biological organization has emergent...Ch. 28 - The micrograph to the left shows cells from the...
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- The hair matrix contains ________. the hair follicle the hair shaft the glassy membrane a layer of basal cellsarrow_forwardThe layer of the epidermis characterized by active, thriving, non-dividing cells is: a) stratum basale. b) keratinocytes. c) stratum spinosum. d) stratum granulosum.arrow_forwardMost of the cells of the epidermis are ________________. A. Langerhans cells B. macrophages C. keratinocytes D. fibroblastsarrow_forward
- The layer of the skin composed of dense connective tissue that has projections known as papillae is the ____________. A. stratum corneum B. stratum basale C. dermis D. hypodermisarrow_forwardThe strength of the dermis is mainly a result of the _____. A. presence of collagen fibers B. thickness of the layers C. keratinization of the skin D. distribution of elastic fibers E. amount of blood vesselsarrow_forwardThe difference between hair and nails is that nails are made of keratin that is derived from the epidermis. True ? or False ?arrow_forward
- Which of the following is NOT a component of the epidermis thin skin? A. Capillaries B. Keratinized cells C. Keratin D. Melanocytesarrow_forwardThe matrix of hair and nails are similar to what layer of the epidermis? Explain your answer?arrow_forwardA). What is melanin's productive functions? B). Explain the role of sunlight Vitamin D production. C). How do sweat and sebum differ in their productive functions of skin?arrow_forward
- Kindly answer briefly both questions a. Cells of the epidermis are derived from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis. b. What structures are produced from keratinization of the epidermis?arrow_forwardIn which layer of the epidermis do the nucleus and other organelles disintegrate and the cells die? A. Stratum granulosum B. Stratum basale C. Stratum lucidum D. Stratum corneumarrow_forwardYou develop a callus, which is a thickening of the epidermis, from a pair of ill-fitting shoes. To treat the callus, you decide to shave off some fo the excess epidermis. While doing this, you notice that there is no pain or bleeding. Why wouldn't it cause pain yo remove only the superficial part of the epidermis? Why wouldn't it bleed ?arrow_forward
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