CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
18th Edition
ISBN: 9781323753149
Author: SIMON
Publisher: PEARSON C
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Chapter 20, Problem 12TYK
Summary Introduction
To describe: The reason why the driver maintains a constant speed of 55 miles per hour while driving a car over a hilly terrain with reference to the concept of homeostasis.
Introduction: Homeostasis is a self-regulatory process; it is the tendency of an organism to seek and maintain the internal environment in response to external changes by maintenance of equilibrium and stability in the body or a system. The negative feedback mechanism of homeostasis reverses the unstable condition back to the normal condition and restores the stability or equilibrium. For example: When the salt concentration of blood goes up, the kidneys expel more salt.
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Chapter 20 Solutions
CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
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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- Which 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_forwardWhich type of epithelial cell is found in the urinary bladder? a. squamous b. cuboidal c. columnar d. transitionalarrow_forwardAfter a long, hot run together, your friend tells you that you should dunk your head into a cooler of water to lower your body temperature more rapidly, rather than sitting and waiting to cool down. What do you think? Form a hypothesis, about how the ice-cold water might affect the rate at which your body temperature returns to normal. How could you test your hypothesis? Explain your answer.arrow_forward
- Which is very important body system that helps regulates body fluids, gasses, and blood pressure? a.)Digestive system b.)Nervous system c.)Respiratory system d.)Circulatory systemarrow_forwardWhich statement describes the function of connective tissue? Protects body parts and produces secretions Anchors and supports other body structures Provides movement of the body Conducts impulses to and from all parts of the bodyarrow_forwardWhen 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_forward
- In simple words, explain the role of feedback mechanism in maintaining homeostasis?arrow_forwardExplain the meaning of homeostasisarrow_forwardDescribe the steps in the homeostatic feedback system activated to ensure normal body temperature is maintained when exposed to a hot external temperature (e.g., 42 degrees Celsius). Give typing answer with explanation and conclusionarrow_forward
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