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Specify the mechanisms and significance of homeostasis
Specify the mechanisms and significance of homeostasis
The importance of homeostasis to the body
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Homeostasis is used by every organism to be able to survive in a certain environment. This happens because the organism needs to adapt to the certain conditions that the environment is exposing, but if the organism fails to adapt it may can lead to death. The system sends alerts through the nervous, electrical circuits, and hormonal system. The process of homeostasis is very important for the human body as it needs to be changing through a daily basis. For example, when the human body sweats, it is an involuntary response to heat. The system alerts the body to take action to prevent overheating and to cool it down as soon as possible. This reaction is when the pores open up and the person begins to sweat to let all that heat out the body.
Homeostasis is the internal chemical balance that occurs in all living things. The concentration of hydrogen ions and hydroxide ion creates acids and bases. They are measured using the pH scale, which runs from 0 to 14. In the scale 7 is neutral. To be considered an acid, the concentration of the ion must be between 0 and 6, To be considered a base, the concentration of the ion must be between 8 and 14. Most living things have a concentration range from 5.6 to 8.5. There are many exceptions to this rule, such as the pH
The purpose of a homeostatic system is to maintain steady/stable internal environment at a set point. Glucose is used as a major energy source by most cells in the human body. Cells break down glucose in order to produce ATP (energy), to carry out their cellular processes. Blood glucose concentration is maintained between 3.9-5.6 mmol/L-1. The reason behind this range is due to the fact that people of different ages and genders require different amounts of glucose in their blood to carry out different metabolic processes. For example, a growing teenage boy would require a higher blood glucose concentration in comparison to a middle aged women. Blood glucose concentration must be maintained between this set point range because anything above or below this can cause severe problems. If blood glucose concentration becomes too low the tissues in the body that solely rely on glucose as an energy source are greatly affected, as they need a constant supply of glucose in order to function adequately. These
There is a variety of homeostatic procedures that the internal environment maintains within an acceptable limit. Without the control of the homeostatic system the body suffers various issues. These issues like cellular failure can
Cortisol is in the class of hormones called glucocorticoids and affects almost every organ in the body. One of the most important functions of cortisol is to help regulate the body’s response to stress. Cortisol is also responsible for other necessary functions including: helping to maintain blood pressure and cardiovascular functions, helping to slow the immune system’s inflammatory response, helping to balance the effects of insulin in breaking down sugars for energy, helping to regulate the metabolism of proteins, carbohydrates, and fats, and helping to maintain proper arousal of sense of well being. The amount of cortisol is precisely balanced and regulated by the brain’s hypothalamus.
The body tissues are the workers. It is their job to keep the body functioning correctly. When there is a need for more energy the workers send a signal to the administrators (and who is the administrator? The pituitary) to let the thyro...
To a great extent, stress can be a helpful response, especially for prehistoric humans. During this era, our species needed to react quickly to outside stimuli through a response of “fight or flight”. Through stress, certain hormones are released to help the individual resist the stressor, which may have meant running away from a natural predator. Thus, stress is a positive response that ensures the survival of the species. However, stress over a prolonged period of time causes exhaustion in the individual. Consequently, although stress can be helpful for individuals today, many often experience chronic stress, inflicting varying degrees of damage to their bodies.
All the systems in the human body work together to maintain homeostasis and normal body function. The five major systems are the digestive, circulatory, respiratory, transportation and excretory systems. These systems are then, in turn made of organs, tissue and cells. All the systems are interrelated therefore if one system fails then it impacts the others.
The purpose of this paper is to define stress and how it effects the body's physiological systems. This paper will include the normal functions and organs involved in the following five physiological systems, cardiovascular, gastrointestinal, respiratory, immune and musculoskeletal. This paper will also include a description of a chronic illness associated with each physiological system and how the illness is affected by stress.
It is very important for organisms to maintain homeostasis because when it’s disrupted that could cause other systems to go out of balance, which may result in damage in the organism. Homeostasis can be disrupted in many ways like when a human is sick. When a human is sick it starts in the immune system and depending on the intensity of the sickness it can cause other things like water balance and body temperature to go awry which would affect other systems. Another scenario when homeostasis is disrupted is when a plants water level is low and it wilts...
All organ system work together; in order to keep and support the conditions that the cells, tissues, and organs need to function properly. Each organ system has an important function in the body. There is one system that is not as well known as other; it is the integumentary system. Most people know the organs of the integumentary system, but they do not know that these organs work together to form this system.
The body works in amazing ways like a fine tuned machine. All organ systems within the body depend on one another for survival in some way or form at all times. Cherif et al., (2010) state, the body depends on the precise action of each organ to maintain physical, mental, and emotional health of a human being. Also, homeostasis, the regulatory of body temperature plays a survival role in maintaining body functions. The integumentary system (skin) is the largest, and the most important part of the body. The skin is just one of the organ systems that will be discussed (Thibodeau & Patton, 2008). The body is expected to perform specific duties at specific times the organ systems as a whole, the most important organ system the integumentary system, and homeostasis, are what enables the body to perform on demand.
It is the idea that the mind and body are not separate entities. Rather, they are intricately connected, interacting with each other in many ways. The body's three main regulatory systems are the central nervous system (which includes the brain), the endocrine system (which produces hormones), and the immune system. These three systems work together and affect one another. Researchers who study the mind-body connection examine these interactions, and are particularly interested in the effects of emotions and thoughts on physical health.
The human body is mixture of cells that make up tissues that make up organs that make up organ systems. The organ systems that are going to be wrote about is the digestive system, the circulatory system, the respiratory system, the nervous system, and the skeletal and muscular system; all these systems are what make the human body function the way it does. The cells have to communicate to get some of these jobs done, and I will write about how cells do communicate to get the jobs done. The body’s systems interact to maintain homeostasis, homeostasis is the equilibrium of the body. The systems work together through communication to maintain homeostasis and the
There are many enzyme-catalyzed reactions that occur in cells through control mechanisms, which keep humans in chemical balance. There are two systems that have a major responsibility for regulating body chemistry known as the endocrine system and nervous system. The endocrine system depends on chemical messengers that flow in the bloodstream known as hormones. Hormones travel to target cells, where they connect with receptors that initiate chemical changes within cells. The nervous system depends on neurotransmitters that are electrical impulses in nerve cells activated by its own chemical messengers. The nervous system counts on a much faster means of circulation. This cycle is what allows drugs to work so well, because they mimic the crucial role of hormones and neurotransmitters in the function of the human body.
Positive feedback, for example, increases the magnitude of a change and sends body chemistry further away from the set point. On the other hand, if any of the homeostatic values become disrupted, the body will begin to work towards the set point. This process, called negative feedback, counteracts a change that is or has occurred and brings a variable back to set point. One case is blood, which helps to regulate a variety of levels in the body to maintain homeostasis by ensuring that pH and electrolyte values are within normal parameters for proper cell functioning. Another instance would be when the pancreas secretes insulin in response to rising blood sugar. Survival depends on the body’s ability to maintain homeostasis and promoting good health will increase your chances to a long and healthy