Role of OX -Notch Signaling in Thymic Treg Development and Homeostasis Regulatory T cells Tregs plays a crucial role in immune tolerance and diminution of their homeostatic balance causes autoimmunity. Email Please enter your email. When you inhale, your diaphragm contracts and moves downward, away from your chest cavity, and the pressure in your lungs drops, when we exhale your diaphragm relaxes and shifts upward into your chest cavity, homeostasis essay. The internal environment comprises of blood, tissue fluid, body cell contents and all metabolic homeostasis essay taking place inside the body. In addition, the hairs on the skin rise, giving rise to goose pimples thereby homeostasis essay hair between the skin and the atmosphere creating an insulation against the cooler air. order now. Politics: Yesterday, Today, homeostasis essay, And Tomorrow Critical Thinkings Example.
Homeostasis Essay Example
We use cookies to enhance our website for you. Proceed if you agree to this policy or learn more about it. Type of paper: Essay. Topic: BloodHealthHumanMedicineDisciplineDiseaseSkin homeostasis essay, Body. It is well documented that human beings are capable of thriving and surviving in the harshest of conditions ranging from the arctic to the equator and with different forms of lifestyles and diets. Homeostasis refers to the human body's ability to regulate her internal environment physiologically in a bid to ensure and maintain stability in response to the instability and fluctuations of the weather and the external environment. Also, homeostasis refers to the special mechanisms that are in place in the human body that detect physiological changes and also homeostasis essay to the physiological changes from their various set point values through initiating responses which restores them to their optimal physiologic range.
To maintain homeostasis, there is collaboration between all the systems in the body, homeostasis essay, though the various systems have well defined specific roles they perform. Of all the systems in the body, the endocrine and nervous systems are very important homeostasis essay maintaining homeostasis. Important basic functions in the body such as breathing and heart rate may be stimulated or slowed by the nervous system. Also, homeostasis essay, hormones help with maintaining balance of fluids and electrolytes in the body. The kidneys, liver and brain homeostasis essay all involved in maintaining homeostasis, homeostasis essay. The liver which is an abdominal organ and the second largest organ in the body after the skin is saddled with the task of removing toxic substances from the body and also involved with carbohydrate metabolism.
The kidneys which are paired retroperitoneal organs are responsible for the regulation of blood water levels, maintenance of ion and salt levels in the body, reabsorption of non toxic substances into the blood, regulation of blood pH and excretion of urea and other wastes in the body. The brain through the endocrine system, the autonomic nervous system and the hypothalamus maintains homeostasis in the human body. Homeostasis is very germane to the body as the body needs it to stay alive. Failure of the human body to maintain homeostasis may lead to a disease state or death. For example, a serious disease state such as heart failure occurs when the negative homeostasis essay mechanisms in the body become overworked and deleterious positive feedback mechanisms supervene.
Other disease states which could occur due to the imbalance of the homeostatic mechanisms in the human body include heat stroke, homeostasis essay, dehydration, gout, hyperglycaemia, homeostasis essay, hypoglycaemia and diabetes to mention a few. Physical health solely depends on an optimally functioning homeostatic mechanism. Undue and persistent stress such as poor or inadequate sleep, unaccustomed exercises, and inadvertent build up of free radicals in the body, drug abuse and alcoholism are capable of disrupting the body's homeostatic mechanisms which ultimately leads to a disease state, homeostasis essay.
When this happens, medical homeostasis essay can help restore the body to the pre-illness state through the actions of the homeostatic mechanisms. There are several examples of homeostasis in the body; some of the very important ones include acid-base balance in the body, temperature regulation, glucose metabolism, calcium metabolism and body fluid volume. Negative feedback mechanism is an integral part of the proper functioning of the homeostatic mechanisms. It literarily means that whenever there is a change in any of the systems, there is an automatic corrective mechanism which initiates the reversal of the noxious change and brings back the body to the set point also known as the normal.
In the simplest of languages, negative feedback could be likened to an oven in use. When it gets too hot, the mechanism that causes the increase in temperature resulting in the heating turns off automatically which allows the oven to cool down. It eventually gets cold since the heating system has been turned off automatically, the heating system then turns on again increasing the temperature of the oven. In essence, homeostasis essay, a system exclusively controlled by the negative feedback mechanism is never maintained perfectly as it swings about the set point. However, homeostasis essay, an efficient homeostatic system reduces the size and frequency of the oscillations. Regulation of the body temperature is an integral part of homeostasis in the body.
Animals which maintain a near normal body temperature are called endotherms and sometimes referred to as warm blooded animals. Normally, they maintain their body temperatures between thirty five degrees Celsius and forty degrees Celsius. Mammals and birds are ectotherms. On the other hand, ectotherms have variying body temperatures, homeostasis essay, though some of them could have warm blood during the day either by basking in the sun or through extended muscle activity such as tuna and bumble bees. The main difference between ectotherms and endotherms is that endotherms utilize internal corrective mechanisms to maintain homeostasis while ectotherms homeostasis essay behavioural mechanisms such as moving into the shade or a cool place when hot or lying in the sun and basking when they feel cold.
Body temperature in human beings is controlled by the thermoregulatory centre in the hypothalamus; impulse is received from receptors in the hypothalamus and receptors in the skin. Both are thermoreceptors. The hypothalamic receptors monitor the core temperature which is the temperature of the blood is it navigates through the brain. Receptors in the skin especially those on the trunk monitor the external temperature. The two sets of information are required for the body to make appropriate adjustments, impulses are then sent from the thermoregulatory centre to the different effectors to adjust the body temperature. However, when these responses are inadequate, the thermoregulatory centre is then stimulated.
The heat loss centre homeostasis essay the hypothalamus is stimulated when we feel too hot and the heat conservation centre is stimulated when we are too cold. During excessive heat, vasodilatation, sweating, homeostasis essay, pilorelaxation and stretching out all help the body loose heat. The arterioles increase in size so as to allow more blood into the capillaries in the skin leading to heat loss. Also, sweat glands secrete sweat in response to heat. The sweat produced removes heat from the body and gives a cooling effect on the body.
Also, hairs on the skin are laid flat. This prevents whatever trapped air from heating the body by insulating it. Likewise, homeostasis essay, when the body feels homeostasis essay cold vasoconstriction, homeostasis essay, shivering, piloerection all occur, homeostasis essay. The arterioles reduce in calibre and get smaller reducing blood supply to the skin to keep the inner body warm. Also, rapid contraction and relaxation of the skeletal muscles leads to shivering which produces heat to keep the body warm. Curling up and making the surface area of the body smaller reduces the effect of the cold on the body. In addition, the hairs on the skin rise, giving rise to goose pimples thereby trapping hair between the skin and the atmosphere creating an insulation against the cooler air.
In conclusion, homeostasis essay, Homeostasis is highly important for the survival of living beings so as to regulate the milieu of the body which is subject to fluctuations periodically as various disease states and even death may occur due to a faulty homeostatic mechanism. pdf L. A Zaykoski, homeostasis essay. We accept sample papers from students via the submission form. If this essay belongs to you and you no longer want us to display it, you can put a claim on it and we will remove it. Just fill out the removal request form with all necessary details, such as page location and some verification of you being a true owner. Please note that we cannot guarantee that unsubstantiated claims will be satisfied, homeostasis essay.
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LEARN Homeostasis essay. Human Body. Negative Feedback. Nervous System. Heating System, homeostasis essay. Cite this page Choose cite format: APA MLA Harvard Vancouver Chicago ASA IEEE AMA. Accessed 07 January Homeostasis Essay Example. January Accessed January 07, homeostasis essay, Retrieved January 07, com, Jan Free Essay Examples - WowEssays. Published Jan 19, Share with friends using:. Removal Request, homeostasis essay. REQUEST THE REMOVAL. Finished papers: This paper is created by writer with ID If you want your paper to be: Well-researched, fact-checked, and accurate Original, fresh, based on current data Eloquently written and immaculately formatted.
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Give me your paper requirements and I connect you to an academic expert. Plagiarism checker Do the check. Writing Help Ask for help. Paraphrasing Tool Paraphrase my essay. Essay examples. Essay topics. How the Body Remains at Homeostasis The body goes through many challenges throughout life, but the body always manages to stay at a stable equilibrium which is known as homeostasis. The Significance of Homeostasis to the Human Body This paper explores the main significances of homeostasis to the human body. Definition of Homeostasis Inside the Human body there is a abundant of things happing. Homeostasis and Body Systems The body undergoes various changes due to occurrences from the external environment, The Cardiovascular system consists of blood that plays a major role in preserving homeostasis by transporting substances to cells.
Homeostasis is a Communicable Infection Hepatitis A is a communicable infection of the liver that is caused by the hepatitis A virus HAV. The Process of Homeostasis Have you ever wondered how your body maintains a constant internal environment? Role of OX -Notch Signaling in Thymic Treg Development and Homeostasis Regulatory T cells Tregs plays a crucial role in immune tolerance and diminution of their homeostatic balance causes autoimmunity. Sepsis and Homeostasis According to the Gale Encyclopedia of Nursing and Allied Health, Sepsis is a systemic infection that spreads rapidly through the bloodstream and body tissues. Homeostasis Balance and the Cardiovascular System The cardiovascular system is a group of organs, vessels and arteries that are interconnected to remove metabolic waste and transport nutrients and oxygen throughout our bodies.
Related topics Insulin Medicine Health Anatomy Circulatory System Endocrine System Immune System Cardiovascular Disease Brain Diabetes Human Anatomy Human Body. how it works. Tell Us Your Requirements Specify your topic, deadline, number of pages and other requirements. When you exercise, your body responds to the activity by releasing hormones that cause your body to increase blood glucose levels. This occurs through a process called gluconeogenesis or glycogenesis that happens in the liver. Glucose that has been previously converted and stored in the liver as glycogen is converted back to glucose and sent to the muscles. In the muscles, the glucose is broken down to yield ATP, which is the fuel source for muscles. Changes in the body during exercise general.
During exercise your body can undergo a number of changes that have already been mentioned in the document but for the sake of summarising the information here is the effect on exercise on the body. During exercise, your heart rate will rapidly increase due to the amount of exercise you are doing but will slowly return to normal when you are at rest or you get exhausted. If you continue to exercise, your heart rate will increase right up until you near exhaustion, at which the heart rate levels off as it approaches its maximum level. The heart rate of an individual during exercise will be heavily dependent upon the current fitness level of Your body temperature will change depending on the intensity of the exercise you are doing.
If the temperature goes to high, you might get overheated and get dizzy; this is why your body sweats, to cool off. This is known as a homeostatic response. During exercise especially training that requires explosive movements sprinting it is common for sweating to occur and for the body to be feeling tired due to the build-up of lactic acid from anaerobic respiration. Your glucose levels or sugar levels are very important and must not change dramatically during exercise or you might start to experience side effects. You might start to feel weaker and less energetic if your glucose levels get to low whereas if they are too high, you might become really hyper.
This is because we rely heavily on glucose for energy in the body. Finally, your breathing rate is determined by the amount of oxygen you take in, which is also affected by the amount of exercise you do. The breathing rate of an individual is dependent upon their current fitness levels as a fit person would have to take in less breathes to receive oxygen than an unfit person would due the fit person having a lower resting heart rate. Importance of Homeostasis in maintaining healthy functions of the body Homeostasis is incredibly important in maintaining the functions of the body by identifying deviances in the norms and making sure they are taken care of as efficiently as possible.
If our body is unable to maintain homeostasis, we get weaker and in the worst case scenario, we effectively die. This is called homeostatic imbalance. Homeostatic imbalance can lead to diabetes and dehydration amongst other problems. Together, these organs regulate body temperature, the iron content in our blood, the retention and production of energy and overall blood composition. If homeostasis did not function properly the heart rate would escalate and drop at rapid rates causing death due to the heart either pumping too much causing heart attacks and other ailments or pumping to less causing lack of oxygen to the body. This is due to the autonomic nervous system controlling the heart rate and the internal receptors picking up any deviances.
If homeostasis did not function properly the body temperature would not be able to change when conditions are extreme. For example if the temperature was very hot our body would eventually experience severe problems that are associated with heat such as heat stroke and hyperthermia and at a much faster rate than normal. This is because without homeostasis our bodies would not be able to revert back to normal temperatures and mechanisms such as sweating to cool our bodies down would not come into play meaning that are temperature would stay hot which would eventually result in our deaths as are body can only function at a certain temperature otherwise our organs would fail. If homeostasis did not function properly we would likely die due to our chemoreceptors not picking up the amount of carbon dioxide in our blood resulting in poisoning as our bodies would not increase the breathing rate to take in more oxygen and reduce the carbon dioxide.
Along with this the respiratory centre would not function properly as would the autonomic nervous system which would mean that if your breathing rate were to increase it would remain at that rate due to homeostasis being unable to correct the deviance. If homeostasis did not regulate blood glucose we would die as glucose are our primary source of energy within the body. Without homeostasis our bodies would not be able to differentiate between high or low blood sugar. If our blood sugar levels were to low the pancreas would not be able to secrete glycogen due to the fact that the Alpha cells would not pick up the deviance. This means that the glycogen would not be able to be converted into glucose because the pancreas would not know to release glycogen.
Likewise if blood sugar levels were too high the body would not no to release insulin from the pancreas because the beta cells would not pick up the deviance. This is how diabetes occurs. Free Essays Topics Essay Checker Hire Writer Login. Free essay samples Life Home Homeostasis. Homeostasis 8 August Hire verified writer. Homeostasis Essay Example. Related Essays. Homeostasis exercise lab Human Homeostasis Maintaining Dynamic Homeostasis Human Homeostasis Gizmo How Does the Body Maintain Homeostasis in Response…. A limited time offer! Save Time On Research and Writing. Retrieved January 07, com, Jan Free Essay Examples - WowEssays. Published Jan 19, Share with friends using:. Removal Request. REQUEST THE REMOVAL.
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