CAMPBELL BIO&VALPK A/C MAST PKG
9th Edition
ISBN: 9780134784434
Author: TAYLOR & SIMON
Publisher: PEARSON
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Chapter 20, Problem 7TYK
Which of the following best illustrates homeostasis? (Explain your answer.)
a. Most adult humans are between 5 and 6 feet tall.
b. All the cells of the body are about the same size.
c. When the salt concentration of the blood goes up, the kidneys expel more salt.
d. When oxygen in the blood decreases, you feel dizzy.
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Chapter 20 Solutions
CAMPBELL BIO&VALPK A/C MAST PKG
Ch. 20 - Connecting the Concepts 1. There are several key...Ch. 20 - True or false? Each cell in the human body is...Ch. 20 - Prob. 3TYKCh. 20 - Negative-feedback mechanisms are a. most often...Ch. 20 - Briefly explain how the structure of each of these...Ch. 20 - Describe ways in which the bodies of complex...Ch. 20 - Which of the following best illustrates...Ch. 20 - The diaphragm is a large sheet of muscle that...Ch. 20 - Prob. 9TYKCh. 20 - Prob. 10TYK
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- When people think of the respiration system, they often think of breathing in and out to get air into the lungs. Is there more to the process? Please describe what else, if anything, must happen to maintain homeostasis.arrow_forwardOn her first anatomy and physiology exam, Heather defined homeostasis as “the condition in which the body approaches room temperature and stays there.” Do you agree with Heather’s definition?arrow_forwardWhich of the following statements is NOT TRUE about tissues? A. The extracellular matrix of blood tissue is the plasma B. In adipose tissue, tiny cells are surrounded by very thick extra cellular matrix which is where all the fat is located C. Epithelial cells sometimes have cilia like the ones used in comb jellies and placozoans D. Nervous Tissue has only one cell type, the neuronarrow_forward
- Which of the following physiological event is not maintained by homeostasis? Select one: a. Temperature of the body. b. Blood pressure. c. Concentration of oxygen in the body. d. Concentration of nutrients in the body.arrow_forwardWhich type of epithelial tissue specializes in moving particles across its surface and is found in airways and lining of the oviduct? a. transitional b. stratified columnar c. pseudostratified ciliated columnar d. stratified squamousarrow_forwardWhich of the following statements is True?a. Ectotherms generate most of their body heatmetabolically.b. Ectotherms include birds and mammals.c. Ectotherms experience variable body temperatures.d. Ectotherms are known as “warm-blooded” animals.arrow_forward
- Which of the following statements best describe homeostasisarrow_forwardDraw the following and include their labels. a.Embryonic connective tissue: Mesenchyme b.Connective tissue proper: loose connective tissue, areolar c.Connective tissue proper: loose connective tissue, adiposearrow_forwardDo you think there is relationship between a person’s height, weight, and foot size? If so, verify your answer. Designers often learn from their natural surroundings; do the bigger animals have bigger feet?arrow_forward
- Is homeostasis essential for health and survival? Explain why?arrow_forwardWhich of the following is an example of a negative feedback loop? a) shivering in response to a cold b)platelets responding to a cut c) childbirth d) lactationarrow_forwardExplain the concept of a homeostatic loop; what is the difference between positive and negative feedback?arrow_forward
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