The Importance Of Homeostasis
Homeostasis
Homeostasis is the maintenance of constant internal environment within an organism within restricted limit (Roberts and King, 1987). It is a balance or the systemic working of enzymes within the cell of the body.
The automatic control system in our body which maintains temperature etc. to let the cell function properly must have a receptor to detect the stimuli, a coordinator to receive and control information to activate the steps to correct the change and effectors which produce the response automatically.
The control systems in the body are constantly disrupted from their balance level. For example: heavy exercise which increases the heat production or eating sugary diets which proceeds to increase in glucose
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Homeostasis plays a vital role in the maintenance of the conditions in our body and without the proper conditions the processes and proteins may not work efficiently.
In the cell the chemicals such as oxygen, carbon dioxide and digested food needs to enter and exit out of the cell and this is done by the processes either diffusion or osmosis. This processes depends on water and salt level of the body, which are balanced by homeostasis. Kidney is the main organ in the body that plays an important role in removing waste such as urea from our bodies. The urea is eliminated with the urine, which is a product of diffusion and osmosis. A balanced water level is important for maintaining the concentration of cell contents at the correct level for the activity in the cell. As we know that the kidneys in our body excretes unwanted waste from blood and maintaining the other chemicals in our body by filtering some molecules like water, salt and urea from out blood to form urine and also by reabsorbing sugar, salt and water as much the body requires. The remaining urine is then stored in the bladder. So, the kidneys in the body balances the water level by producing dilute or concentrated
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This system consists of pituitary gland, hypothalamus (which controls and stimulates the pituitary gland), thyroid gland, parathyroid, pancreas, adrenal gland, ovaries and testes. The pituitary gland is also known as ‘master glands’ because it controls several hormonal glands.
Each organs are affected in one or another by the hormones. The hormone released can be activated in the level of blood, nerve stimulation and other hormones.
The endocrine system plays an important role in homeostasis because hormones regulate the activity of body cells(..). The stimulus controls the release of the hormone in the body and the stimulus can sometimes cause the hormones to increase or decrease.
For example: when there is high level of hormone produced in the bloodstream, a signal is sent to the hypothalamus which then stimulates the pituitary gland. This signal helps to bring halt in the production of the hormone and bring it on the normal
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