pH Figure \(\PageIndex{2}\): Maintaining homeostasis through feedback requires a stimulus, sensor, control center, and effector. For example, the cardiovascular, urinary, … Two of the most important systems for maintaining homeostasis are the nervous and endocrine systems. Biological examples of positive feedback are much less common. Plants are typically dependent on photosynthesis to produce energy to maintain their biological processes. Blood Pressure The body must maintain healthy levels of blood pressure. These physiological factors are also vital to your body maintaining a state of homeostasis. Homeostasis can be defined as a property of an organism or system that helps it maintain its parameters within a normal range of values. To do so, the brain sends signals to the heart to speed up or slow down according to the blood pressure. Carbon dioxide is removed from intestinal fluid. Homeostasis is an organism’s process of maintaining a stable internal environment suitable for sustaining life. It is the tendency to achieve equilibrium against various natural and environmental factors. For example, blood glucose level is an internal condition regulated by the hormone insulin. Water Levels. Toxins in the blood can disrupt the body's homeostasis. Other internal conditions that require regulation for homeostasis are body temperature and water content. When any condition gets out of balance, feedback loops return the body to homeostasis. Homeostasis Definition. (Homeostasis – Part 1: anatomy and physiology, ©2012) The composition of interstitial fluid changes as substances move back and forth between it and the blood plasma, this occurs across the thin wall of the smallest blood vessels in the body, the blood capillaries. Photosynthesis is a chemical process performed by plants in which sunlight is converted into energy. All of the body’s systems work together to maintain balance in the body, but various systems do have specific roles. All living organisms require some type of homeostasis to maintain life. When blood sugar levels are high and cannot be controlled, it can lead to diabetes and other medical conditions. Thus, it signals the urinary system to ensure that the toxins are excreted. Homeostasis is defined as a constant, steady environment despite external changes, such as exercise. Basic bodily functions such as heart rate and breathing may be stimulated or slowed under neural control. The word homeostasis derives from Greek, with home meaning “similar,” and stasis, meaning “stable.”When used as an adjective, it is homeostatic. When you sweat, breathe heavily and feel your heart pounding, it doesn’t just mean you are having a good workout. Humans have control centers in the brain and other parts of the body that constantly monitor conditions like temperature, pressure, and blood and tissue chemistry. Each organ system performs specific functions for the body, and each organ system is typically studied independently. All the feedback mechanisms that maintain homeostasis use negative feedback. needed to maintain life. Homeostasis refers to the steady state of internal conditions maintained by living organisms. However, the organ systems also work together to help the body maintain homeostasis. Feedback may be negative, as in the example below, or positive. Homeostasis is the ability of living systems to maintain a steady and uniform internal environment to allow the normal functioning of the systems.