Hormonal Regulation of Urine
Human beings are made of 75% water. The huge percentage of water in the human body is attributed to the constant need to sustain fluid balance through drinking water. However, the quantity of ingested water needs to be balanced with the amount and concentration of urine generated so as to regulate the volume of fluid and osmolarity within an ordinary range. Urine is formed in the human body through three major processes that occur in the nephrons i.e. glomerular filtration, tubular reabsorption, and turbular secretion (McCann et. al., 2002, p.605). The quantities of substances reabsorbed and secreted in the nephrons are varied by the kidneys, which contributes to changes in the composition of excreted urine.
Urine output or excretion is usually regulated by several hormones that also play a crucial role in regulation of urine. Vasopressin is one of the hormones that regulate urine output and is regarded as the hormonal mechanism for controlling the output of urine. This hormonal mechanism is excreted from the posterior pituitary gland that is directly linked to the magnocellular cells of the supraoptic nucleus and paraventricular nucleus. Through activating aquaporins, vasopressin acts on the renal by gathering duct to improve the reabsorption of water. Aquaporins are proteins with water channels that...
Cominto the interstitial fluid of the cortex and only then are diffused into the blood) (faculty.stcc.edu); 5) cortical collecting duct (this is a series of ducts and tubular that link nephrons to the ureters); 6) distal convoluted tubule -- DCT (this is the convoluted section of the nephron that lays between the "loop of Henle" and the "nonsecretory portion of the nephron; the DCT is mainly involved with the urine
Anatomy Major cavities of the body and their organs: Our body is made up of solid structures and many cavities. The organs are packed in these cavities and they fill these cavities. The major cavities in our body are: the ventral cavity, which is surrounded by the rib cage and the abdominal musculature and dorsal cavity, which is surrounded by the bones of the skull and vertebral column. (Introduction / Terminology) Significance and
However, all muscles are ultimately controlled by the central nervous system. Because the muscles are attached to the skeleton, all skeletal movements can be traced back to the central nervous system. The integumentary system is one of the body's primary interfaces with the outside world. Together with the sensory system, the integumentary system interact with the central nervous system by communicating its inputs. 3. Homeostasis is the body's state of
Even though the heart works harder, blockages still shortchange the needed blood supply to all areas of the body. Kidney disorders, which leave extra fluids, sodium, and toxins in the body, obesity, diabetes, birth control pills, pregnancy, smoking, excess alcohol, stress, and thyroid and adrenal gland problems can also cause and exacerbate a high blood pressure condition. Proper ranges of cholesterol are also important in the prevention of heart attack
REFERENCES Eimas, R. "The Great Anatomy of Paolo Mascagni. University of Iowa Special Collections. April, 1963. Retrieved from: http://www.lib.uiowa.edu/spec-coll/Bai/eimas.htm Goldfinger, E. Human Anatomy for Artists: The Elements of Form. New York: Oxford University Press, 1991. Heckscher, W.S. Rembrandt's Anatomy of Dr. Nicolaas Tulp: An Icolonological Study. Albany: University of New York Press, 1958. Iipma, F., et.al. "The Anatomy Lesson of Dr. Nicolaes Tulp by Rembrandt (1632): A Comparison of the Painting With a Dissected Left
Anatomy & Physiology 101 The Peripheral Nervous System It is difficult to decide the importance of one set of senses over another, because consequentially, each of the senses enables the working of another or two of the senses. Seeing, hearing, smelling, feeling, and tasting are all somehow connected to each other; without one of the five, a particular system also becomes lacking in the sense department. That said, because of the importance
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