Introduction
The endocrine system is a collaboration of all the glands in the human body and all the hormones produced by those glands1. The glands are controlled by the stimulation of the human nervous system including the chemical receptors in the blood and the hormones produced by other glands. By regulating and controlling the hormone levels in the body the endocrine system controls homeostasis in the body1. The gland system can be divided into two types. Exocrine glands release secretions outside of the bloodstream, mainly to the skin and the mouth. Meanwhile, endocrine glands release secretions into the bloodstream where they are transported elsewhere2.
Homeostasis
Homeostasis is a very important part in the survival of the human being. Homeostasis is responsible for the balance of the internal systems. It helps regulate body temperature and maintains equilibrium between alkaline and acidity4. Hormones released by glands in the body, signal other glands to perform tasks in order to maintain homeostasis. Glands like the pancreas release hormones like insulin and glucagon into the body to signal the body to start storing or releasing sugars. If the pancreas were to fail the body would not be able to recognize when it needs to store or release sugars. This failure to function destabilizes homeostasis in the body3-4. The loss of the pancreas function is lethal and is unrecoverable. As seen in figure 1 the endocrine system is a collection of glands each designed for a specific function. In order to maintain equilibrium in the body all the glands must work together.
Hormones
Hormones are very important to the body; they serve as a communication device between glands, tissues and organs3. Hormones regulate a variety of physiolog...
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...he production of estrogen and regulate hormones for reproduction. The pancreas is responsible for the regulation of sugar levels in the body. It releases insulin and glucagon each specialized in telling the body to store or use sugars. The suprarenal and adrenal glands are responsible for how energy is stored and how it’s used. The testes are responsible for the creation of sperm and the testosterone. Testosterone is the male sex hormone that promotes puberty and furthers growth3.
Sources:
1). Taylor, Tim. "Endocrine System." InnerBody. N.p., n.d. Web. 23 May 2014.
2). "Endocrine System." KidsHealth. Ed. Steven Dowshen. The Nemours Foundation, 01 Mar. 2012. Web. 23 May 2014.
3). Campbell, Neil A., and Jane B. Reece. Biology. San Francisco: Benjamin Cummings, 2002. Print.
4). Moody, Jean. "Homeostasis." TheFreeDictionary.com. N.p., 2009. Web. 24 May 2014.
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...
While the respiratory and cardiovascular systems are most reliant on one another, all body systems require a functioning circulatory cycle in order to thrive. Blood circulation and consistent transfer of oxygen to cells is required to maintain cell and tissue life. Disturbances to this process will cause cells and tissues to die (Red Cross 48). This state of balance and functioning body systems is referred to as homeostasis, defined as a “condition of equilibrium in the body’s internal environment due to constant interaction of body’s many regulatory processes” (Tortura 8). Changes or disruptions to homeostasis are regulated by the Endocrine and Nervous systems of the body. The endocrine system is made up of glands placed throughout the body
Homeostasis is the biological process that maintains a stable internal environment despite what occurs in the external environment. Chemicals and bodily functions are maintained in a balanced state so the body may function optimally. There are various systems in the human body that require maintenance through the processes of biochemical checks and balances so they may function properly. One of these systems includes the rise and fall of blood glucose and is under the control of the homeostatic regulation process. Homeostasis is essential in blood glucose regulation as high blood glucose levels (hyperglycaemia) and low blood glucose levels (hypoglycaemia) are dangerous and can affect the human body in many ways and can also lead
3 Leicht B. G., McAllister B.F. 2014. Foundations of Biology 1411, 2nd edition. Southlake, TX: Fountainhead Press. Pp 137, 163-168, 177-180,
An analogy that fits very well with the study of the endocrine system is that of a message in a bottle. We can think of the body as a river, and a specific hormone may be a bottle containing a message. The organs or glands mentioned above would manufacture the “bottles'; (hormones) that would be released into the river (blood stream). If there were no receptor sites for the hormones in the body, then they would continue to flow along the river and probably not make their destination. However, there are systems of receptor sites that enable specific hormones to bind in specific places. Structure also plays a major role in determining which hormones are able to bind to which receptors.
The balance of the thyroid hormone is complicated and involves the participation of different parts of the body (Kaplustin, 2010).
Carbohydrates, mainly glucose, are an important source of energy for living organisms. Some tissues of the body (e.g., brain) need a continuous delivery of glucose. Maintenance of blood glucose concentrations within a normal range is critical to the regulation of normal fuel use by the organs. This is primarily accomplished by the two hormones, Insulin and Glucagon, which are secreted by the alpha and beta cells of the pancreas, respectively. The function of Insulin is to keep the blood glucose in check by helping it to move inside the cells of our body, thereby decreasing its concentration in the blood. Glucagon does exactly the opposite. Other hormones of our body like glucocorticoids, epinephrine and the growth hormone also function like Glucagon.
Homeostasis involves the whole body, but certain organs have larger roles in maintaining the balance. The liver and pancreas maintain suitable glucose levels in the blood, with kidneys removing metabolic waste products and maintaining suitable salt and water levels within the blood. The skin and liver help maintain body temperature with lungs controlling oxygen and carbon dioxide levels in the blood and the blood itself transporting the nutrients and waste products around the body.
The thyroid gland plays a major role in the endocrine, thyroxine, triiodothyronine and metabolism system. The gland can be found in the front of the neck and above where the collar bones meet. The thyroid gland controls the body by releasing T4 and T3 hormones. Controlling metabolism plays an important role when regulating mood, weight,
The thyroid gland is part of the endocrine system, and it is controlled by the pituitary which is known as the “master gland” of the endocrine system. The pituitary controls the thyroid by producing Thyroid Stimulating Hormone (TSH) which stimulates the production of thyroid hormones. . The thyroid gland secretes two main hormones: Thyroxine (T4) and Tri-Iodothyronine (T3). These hormones increase metabolic rate, heat production, oxygen consumption, appetite, growth hormone secretion, alertness and quicker reflexes. The thyroid gland is located in the anterior portion of the neck, beneath the Adam’s apple. It is divided in two lobes on either side of the windpipe: right lobe and left lobe. These lobes create what looks like a butterfly shape. The gland is essential to the contribution of maintaining the homeostasis of the body. It plays a role in monitoring the body’s expenditure of energy and running the body’s metabolism.
The pancreas is one of the essential organs in the human body and belongs in the Digestive system. Out of all the internal organs, the pancreas is unique because the pancreas plays a role in both the endocrine gland and the exocrine gland. This means that the pancreas is a dual function gland in which is the reason why the pancreas is such a vital part of the digestive system. This research paper will talk about the anatomy, physiology, and the important functions the pancreas play to maintain homeostasis.
The male reproductive system is a set of organs that works together to produce sperm which will later in life fertilize females eggs. The testes are the most important part of the system because it produces sperm cells. It is similar and looks similar to ovaries of a female’s reproductive system because it also holds what they need to reproduce. Its job is to produce the sperm cells needed to reproduce. Due to hormonal imbalances the production of sperm cells may not even be possible in some males. Testosterone is the male the hormone that gives men there manly characteristics. It is made up of hydrogen, carbon, and oxygen with a white color. In the male body it helps develop sex organs, a deeper voice, and facial hair (Khalid, 2013). Cancer or a genetic disorder in males is the most common thing that cause the reductions of testosterone production in the body. Behind the testes is the epididymis which lets sperm go through the vas deferens from the testes (Dictionary, 2014). It looks like leach the way it is position right on the testes but it is thinner. When sperm is produces the ...
Endocrinology can be defined as the study of the structure and function of the endocrine system (Tortora & Grabowski 1996). The endocrine system is composed cells, known as endocrine cells, which are distributed around the body and produce the chemical messengers known as hormones. Following secretion by endocrine cells, hormones travel in the blood where they affect tissues outside of their tissue of origin - and are therefore a form of cellular communication. In multicellular organisms, such as humans, cellular communication is essential for a number of body processes and the maintenance of homeostasis (Campbell, N.A. et al. 2015). In this essay, I am going to outline some of a number of body
...culatory system. Pituitary gland is a growth hormone that helps in mertabolism and develops reproductive organs. The thyroid controls metabolsim on the rate that the body breaks down food. Adrenal gland secretes many hormones including adrenaline which prepares the body to react in a stressful situation. The pancreas produces digestive enzymes and insulin. Ovaries produce ova and estrogen. Testes produce sperm cells and testosterone. To stay healthy you should get a regular medical check-up, eat a well-balanced diet, sleep at least 8 hours, and decrease stress in your life. Some problems are growth disorders, diabetes, and obesity. Puberty begins at different times for girls then boys. Girls start around ages 9-13 and boys are ages 10-15.
Each gland of the endocrine system is responsible for the releasing of different hormones, and those hormones trigger different activities in different places of the body. Hypothalamus, pineal body, anterior and posterior pituitary glands, adrenal gland, and thyroid gland are the main glands of the endocrine system while there are some other associated glands, as well. The endocrine system is known to be as the chemical information system. Some of the main functions of this system have to do with growth and development, metabolism, tissue function, sexual function, mood swings,