Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 38, Problem 12TYK
Summary Introduction
To review:
The positive feedback mechanisms that are rare in animals as compared to the negative feedback mechanisms.
Introduction:
The meachnism of the body, wherein the input process is regulated in response to the output of the process, is referred to as feedback mechanism. It can either be positive or negative. In a positive feedback mechanism, the feedback gives a positive signal that accelerates the response whereas in a negative feedback mechanism, the feedback gives a negative signal that reduces the response.
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Aside from the ones already discussed about childbirth and blood pressure give another example of the feedback mechanism in the human body.Explain your answer briefly by filling out Table B. Table A is given as a pattern
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Give an example of a feedback mechanism in the human body. Explain your example briefly. Make sure to identify the type of feedback (negative or positive), the receptor, the control center and the effector.
Chapter 38 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 38.1 - Prob. 1SBCh. 38.1 - Prob. 2SBCh. 38.2 - Prob. 1SBCh. 38.2 - What are the six major types of connective tissue...Ch. 38.2 - Prob. 3SBCh. 38.3 - Prob. 1SBCh. 38.4 - Prob. 1SBCh. 38 - Which tissue type consisting of sheetlike layers...Ch. 38 - Which of the following is a constant source of...Ch. 38 - A flexible, rubbery protein in connective tissue...
Ch. 38 - Prob. 4TYKCh. 38 - Prob. 5TYKCh. 38 - Lifting weights will most increase the size of:...Ch. 38 - Which muscle types appear striated under a...Ch. 38 - Prob. 8TYKCh. 38 - Prob. 9TYKCh. 38 - Prob. 10TYKCh. 38 - Prob. 11TYKCh. 38 - Prob. 12TYKCh. 38 - Discuss Concepts Near the time of childbirth,...Ch. 38 - Prob. 14TYKCh. 38 - 15. What effect do you think a program of lifting...Ch. 38 - The regulation of temperature in mammals and birds...Ch. 38 - Prob. 17TYKCh. 38 - Prob. 1ITD
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- Give 3 examples of feedback system.arrow_forwardgive two examples of feedback mechanisms in the human body. identify the type of feedback (negative or positive), the receptor, the control center and effector.arrow_forwardWhen you have completed this section, you should be able to a. state the characteristics that distinguish living organisms from nonliving objects;b. explain the importance of physiological variation among persons;c. define homeostasis and explain why this concept is central to physiology;d. define negative feedback, give an example of it, and explain its importance to homeostasis;e. define positive feedback and give examples of its beneficial and harmful effects; andf. define gradient, describe the variety of gradients in human physiology, and identify some forms of matter andenergy that flow down gradients.arrow_forward
- Positive-feedback control systems: O a. do not exist in human systems. O b.ignore a change. O c. accelerate a change. O d. have no effect on the deviation from set point.arrow_forwardDefine homeostasis. What happens when homeostasis fails? List the three basic components of a control system and give an example. Describe the components of a reflex pathway. Contrast the response loop and the feedback loop. Explain the relationship between a regulated physiological variable and its setpoint. Is the physiological variable exactly at its setpoint? Compare and contrast negative and positive feedback. Give a biological example of each. Is the setpoint constant or can it change over time? If setpoints can change over time, what is this called? Chapter 2:arrow_forwardWhich of the following can serve as an "effector" in physiological feedback loops in animals? Group of answer choices a gland brain spinal cord olfactory receptor (smell receptor)arrow_forward
- When you step outside in the cold, your body temperature decreases; which causes shivering or contractions of your muscles. In this example, the shivering or contracting of the muscles, is what part of the feedback loop?arrow_forwardIn a positive-feedback system the hormone A increases the amount of protein X. Which of the following statements is correct? Group of answer choices a decrease in X always causes a decrease in A, which causes an increase in X. a decrease in A always produces an increase in X, which results in an increase in A. an increase in A always produces an increase in X, which results in an increase in A. an increase in X always produces a decrease in A, which results in a decrease in X.arrow_forwardPositive-feedback control systems: O a. do not exist in human systems. O b.ignore a change. Oc. accelerate a change. O d.have no effect on the deviation from set point.arrow_forward
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