Preview

Maintaining Dynamic Homeostasis

Good Essays
Open Document
Open Document
716 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Maintaining Dynamic Homeostasis
Maintaining Dynamic Homeostasis

A group of scientists in the AP Biology Development Committee have used their knowledge, discovered, and written down new AP Biology Principles that explains and guides you through biologically systems and how living things function. One principle states: Organisms use feedback mechanisms to regulate growth and reproduction, and to maintain dynamic homeostasis.
In order to understand this biology principle, you must understand the operation of the feedback system, and how it is used to regulate growth, reproduction, and to maintain dynamic homeostasis. The feedback system first consists of a sensor that receives the signal, which the signal then goes to a control center where information is processed, creating a response, and then lastly, it is sent out to the effector pathway where it will perform the response (eNotes). The purpose of the feedback system is to regulate growth, reproduction, and to maintain dynamic homeostasis. Homeostasis is defined as “stability of the body's internal environment, achieved by a system of integrated control systems activated by feedback systems...in response to changes occurring in a) the conditions of the external environment and b) the conditions of the internal body environment.”(eNotes) The term “dynamic” is used to describe homeostasis as a constant changed activity, because the body must experience a dynamic in order to maintain homeostasis. With this being said, the feedback system is in complete control of your body; controlling the levels of gases, nutrients, hormones, and chemical substances. Using feedback mechanisms, the system has full regulation of your growth and reproduction in your body (eNotes).
There can be two different effect of the feedback control--negative or positive. In a negative feedback, resulting from a high amount of a product, the activity of the system has to reduce speed or slow down. For example, an increase in breathing would cause an increase in the

You May Also Find These Documents Helpful

  • Satisfactory Essays

    To survive, an organism must be able to maintain stable internal conditions in a changing environment. This process is called homeostasis. The Human Homeostasis Gizmo™ allows you to explore how the human body stays at a nearly constant temperature in different conditions. Notice the Air temp. and Body temp. thermometers representing the air temperature and body temperature.…

    • 1077 Words
    • 5 Pages
    Satisfactory Essays
  • Good Essays

    Homeostasis is the need for an organism or a cell to regulate its internal environment (conditions within the fluid surrounding its body cells) by a system of feedback controls to stabilise health and functioning despite the outside changing conditions. This is important as this is what maintains and helps internal conditions (body temperature) to remain stable and constant.…

    • 1604 Words
    • 7 Pages
    Good Essays
  • Best Essays

    P5 M2 D2

    • 4801 Words
    • 12 Pages

    Homeostasis is simply how the body keeps conditions inside the same. It is described as the maintenance of a constant internal environment. Generally, the body is in homeostasis when its needs are met and it’s functioning properly. Every organ in the body contributes to homeostasis. A complex set of chemical, thermal, and neural factors interact in complex ways, both helping the body while it works to maintain homeostasis. In homeostasis there is the concept of Negative feedback which ensures that, in any control system, changes are reversed and returned back to the set level. There are four different homeostatic mechanisms for regulation these four are the heart rate, breathing rate, body temperature and blood glucose levels. Negative feedback system is made out of receptors to detect change, a control centre to receive the information and process the response and effectors to reverse the change and re-establish the original state. (Anatomy & Physiology, 2013)…

    • 4801 Words
    • 12 Pages
    Best Essays
  • Satisfactory Essays

    Homeostasis is maintaining an Internal Balance. If we fail to maintain an internal balance every system inside of our body will be disrupted.…

    • 466 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Negative feedback mechanisms control the various physiological parameters, such as high blood pressure levels. This level of stability is critical to the normal functioning of the body, as cells, tissues and organs require specific environments to function properly. For example, suppose a person participates in outdoor sports in the summer, resulting in an increase in body temperature. The body will lower body temperature through mechanisms such as sweating and blood vessel dilation, returning to the initial normal range. As another example, after a person eats and his blood sugar level rises, insulin is released to promote high blood pressure into the cells and bring the blood pressure back to the…

    • 1648 Words
    • 7 Pages
    Good Essays
  • Good Essays

    Biol 101 Hw1

    • 1049 Words
    • 5 Pages

    4. Discuss the importance of a scientific theory, and describe several theories basic to understanding biological principles.…

    • 1049 Words
    • 5 Pages
    Good Essays
  • Better Essays

    A & P Study Guide for Exam 1

    • 2658 Words
    • 11 Pages

    All cells depend on organ systems to meet their survival needs; Organ systems work cooperatively to perform necessary life functions…

    • 2658 Words
    • 11 Pages
    Better Essays
  • Good Essays

    Physioloy

    • 2158 Words
    • 9 Pages

    Homeostasis can be described as maintaining a relatively internal environment even though the external environment is variable. Negative feedback loops effect the homeostatic condition by controlling it by bringing you back to your set point. An example of this would be blood pressure or heart rate. Positive feedback loops effect the homeostatic condition by using amplification to increase the change and stimulus. For example, labor, platelate plugs, and action potentials are all positive feedbacks loops.…

    • 2158 Words
    • 9 Pages
    Good Essays
  • Good Essays

    Negative feedback is a principle which is used by the body in order to return systems to its normal level; it does this by turning the corrective measures off. Homeostasis uses the principle of negative feedback in order to maintain a constant internal environment. There are a number of different examples of negative feedback such as thermoregulation, regulation of blood glucose and the regulation of water potential. The control of the heartbeat can also use negative feedback mechanisms.…

    • 816 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Muscle Physiology

    • 757 Words
    • 4 Pages

    Homeostasis is the process used by the body to maintain a stable internal environment. Either negative feedback or positive feedback can be used in homeostasis.…

    • 757 Words
    • 4 Pages
    Good Essays
  • Better Essays

    P5. Homeostasis is the process by which a constant internal environment is maintained by our body. For instance, this means that in our body, temperature, blood sugar levels, etc must be kept within a narrow range even when we are in a freezing climate, or while doing vigorous exercise etc. All homeostatic control mechanisms have at least three interdependent components which are: The receptor responds to changes in the environment, for example, detects temperature change. Then, after the receptor senses a stimuli, it sends information to a ‘’control centre’’ to regulate the response. The control centre which is in the brain decides a response to the stimuli. Then, the control centre sends signals to an effector such as muscles and organs. Negative feedback is a control system that occurs when an important variable such as pH of blood deviates from the certain limits which can cause reactions that will turn variable into a normal range. For e.g.…

    • 1787 Words
    • 8 Pages
    Better Essays
  • Satisfactory Essays

    relationships within body systems of an organism. Homeostasis allows the body to perform its normal…

    • 367 Words
    • 3 Pages
    Satisfactory Essays
  • Powerful Essays

    Homeostasis In Biology

    • 2110 Words
    • 9 Pages

    Homeostasis is the ability of an open system to regulate its internal environment to maintain stable conditions by means of multiple dynamic equilibrium adjustments controlled by interrelated regulation mechanisms. All living organisms, whether unicellular or multicellular, exhibit homeostasis.[35]…

    • 2110 Words
    • 9 Pages
    Powerful Essays
  • Powerful Essays

    * A homeostatic body system is constantly in a dynamic process of input, output, feedback, and compensation, which leads to a state of balance.…

    • 2330 Words
    • 10 Pages
    Powerful Essays
  • Good Essays

    Theories of Motivation

    • 1683 Words
    • 7 Pages

    The assumptions of the homeostatic theory are that organisms attempt to maintain homeostasis, the balance of physiological state or equilibrium, by constantly adjusting themselves to the demands of the environment. It can be noted that every living thing has certain biological needs, sex, hunger, thirst, that is caused by imbalance because those variables are absent in the physical body.…

    • 1683 Words
    • 7 Pages
    Good Essays